How many engines did Apollo 11 have?

Apollo 11 had a total of three main rocket engines in its Saturn V launch vehicle. The first stage, S-IC, was equipped with five F-1 engines. The second stage, S-II, had five J-2 engines, and the third stage, S-IVB, was powered by a single J-2 engine. Additionally, the Lunar Module had its own descent and ascent engines.