11532102155 has 64 divisors (see below), whose sum is σ = 17506022400. Its totient is φ = 7113899520.

The previous prime is 11532102121. The next prime is 11532102157. The reversal of 11532102155 is 55120123511.

It is not a de Polignac number, because 11532102155 - 2⁶ = 11532102091 is a prime.

It is a super-2 number, since 2×11532102155² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11532102157) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1171484 + ... + 1181286.

It is an arithmetic number, because the mean of its divisors is an integer number (273531600).

Almost surely, 2^11532102155 is an apocalyptic number.

11532102155 is a deficient number, since it is larger than the sum of its proper divisors (5973920245).

11532102155 is a wasteful number, since it uses less digits than its factorization.

11532102155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9924.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 11532102155 its reverse (55120123511), we get a palindrome (66652225666).

The spelling of 11532102155 in words is "eleven billion, five hundred thirty-two million, one hundred two thousand, one hundred fifty-five".