11541241155 has 32 divisors (see below), whose sum is σ = 19626647040. Its totient is φ = 5774734080.

The previous prime is 11541241147. The next prime is 11541241171. The reversal of 11541241155 is 55114214511.

It is not a de Polignac number, because 11541241155 - 2³ = 11541241147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167226 + ... + 225935.

It is an arithmetic number, because the mean of its divisors is an integer number (613332720).

Almost surely, 2^11541241155 is an apocalyptic number.

11541241155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11541241155 is a deficient number, since it is larger than the sum of its proper divisors (8085405885).

11541241155 is a wasteful number, since it uses less digits than its factorization.

11541241155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393291.

The product of its digits is 4000, while the sum is 30.

Adding to 11541241155 its reverse (55114214511), we get a palindrome (66655455666).

The spelling of 11541241155 in words is "eleven billion, five hundred forty-one million, two hundred forty-one thousand, one hundred fifty-five".