2115465156 has 72 divisors (see below), whose sum is σ = 6185035584. Its totient is φ = 597130560.

The previous prime is 2115465137. The next prime is 2115465167. The reversal of 2115465156 is 6515645112.

2115465156 is a `hidden beast` number, since 2 + 11 + 546 + 51 + 56 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2115465156.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29655 + ... + 71486.

It is an arithmetic number, because the mean of its divisors is an integer number (85903272).

Almost surely, 2^2115465156 is an apocalyptic number.

It is an amenable number.

2115465156 is an abundant number, since it is smaller than the sum of its proper divisors (4069570428).

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

2115465156 is a wasteful number, since it uses less digits than its factorization.

2115465156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101241 (or 101236 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2115465156 is about 45994.1861108554. The cubic root of 2115465156 is about 1283.7150283234.

The spelling of 2115465156 in words is "two billion, one hundred fifteen million, four hundred sixty-five thousand, one hundred fifty-six".