Fait général: 47811 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 47811 is an unremarkable number.
Culture générale: 47811 is an unremarkable number.
Date historique: November 25th is the day in 1120 that the White Ship sinks in the English Channel, drowning William Adelin, son of Henry I of England.