Fatto generale: 1155 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1155 is the Stirling number of the second kind S(11,9).
Trivia: 1155 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: February 28th is the day in 1922 that the United Kingdom ends its protectorate over Egypt through a Unilateral Declaration of Independence.