11456651536155 has 64 divisors (see below), whose sum is σ = 23365512529920. Its totient is φ = 5217412514688.

The previous prime is 11456651536123. The next prime is 11456651536229. The reversal of 11456651536155 is 55163515665411.

It is a happy number.

11456651536155 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 6 + 6 + 5 + 15 + 3 + 615 + 5 = 666.

It is not a de Polignac number, because 11456651536155 - 2⁵ = 11456651536123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22799832 + ... + 23296901.

It is an arithmetic number, because the mean of its divisors is an integer number (365086133280).

Almost surely, 2^{11456651536155} is an apocalyptic number.

11456651536155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11456651536155 is an abundant number, since it is smaller than the sum of its proper divisors (11908860993765).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11456651536155 is a wasteful number, since it uses less digits than its factorization.

11456651536155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46097017 (or 46097011 counting only the distinct ones).

The product of its digits is 8100000, while the sum is 54.

The spelling of 11456651536155 in words is "eleven trillion, four hundred fifty-six billion, six hundred fifty-one million, five hundred thirty-six thousand, one hundred fifty-five".