Fatto generale: 1151 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1151 is the smallest number that can be written as the sum of consecutive primes in exactly 4 ways.
Trivia: 1151 is a boring number.
Data storica: February 24th is the day in 1942 that the Battle of Los Angeles, one of the largest documented UFO sightings in history; the event lasted into the early hours of February 26, 1942.