Fait général: 47511 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 47511 is an uninteresting number.
Culture générale: 47511 is a boring number.
Date historique: January 29th is the day in 1979 that Brenda Spencer kills two people and wounds eight at the Grover Cleveland Elementary School shootings.