It is a happy number.
11541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-11541 is a prime.
It is a D-number.
It is a Duffinian number.
11541 is a lucky number.
It is a nialpdrome in base 11.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 11541.
211541 is an apocalyptic number.
It is an amenable number.
11541 is an equidigital number, since it uses as much as digits as its factorization.
11541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3850.
The square root of 11541 is about 107.4290463515. The cubic root of 11541 is about 22.5985798048.
The spelling of 11541 in words is "eleven thousand, five hundred forty-one".