Abu Sahl Mahmoud bin Omar bin Mahmoud Al-Askari narrated from Mohammad bin Omar, from Yusuf bin Ya’qoub, from Muslim bin Ibrahim, from Hisham Al-Dastowaa’i, from Yahya bin Abi Katheer, from Abi Salama, from Abu Huraira, who said:
The MESSENGER OF ALLAH (SWT) said:
ALLAH (SWT) has created one hundred thousand angels in the fourth sky and three hundred angels in the fifth sky. ALLAH (SWT) has created one angel in the seventh sky that is so big that his head is under the Throne of ALLAH (SWT) and his feet touch the earth, and ALLAH (SWT) has created many more angels.
The only sustenance for these angels is SALAWAT on ALI (ASWS) , the COMMANDER OF THE BELIEVERS (ASWS), and on his lovers, and seeking forgiveness for the sins of his Shia and for (the sins of) his lovers.
(Ref: Bihar Al-Anwar V26 P349 H22. Ghayatol Maram P19 H21. Arbaeen lel Montajab Al-Deen H9. )