Hecho general: 11588 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 11588 is an uninteresting number.
Trivia: 11588 is a boring number.
Fecha histórica: September 22nd is the day in 1896 that Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.