Fait général: 11582 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 11582 is a boring number.
Culture générale: 11582 is an unremarkable number.
Date historique: September 16th is the day in 1966 that the Metropolitan Opera House opens at Lincoln Center in New York City with the world premiere of Samuel Barber's opera, Antony and Cleopatra.