Abu Umamah Al-Baahili (may Allah be pleased with him) reported:
The Prophet (peace and blessings of Allaah be upon him) said:
" The one who recites Ayatul Kursi after each of the
obligatory prayers, then death will be the only thing
preventing him from entering Jannah, i.e, Paradise."
[Related by Ibn Sunnee; See Silsilah Sahihah of Albaani, #972 ]