Fait mathématique: 11588 is an uninteresting number.
Culture générale: 11588 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 22nd is the day in 1994 that the Nordhordland Bridge was opened across the Salhusfjorden between Klauvaneset and Flatøy in Hordaland, Norway.