2115656652 has 12 divisors (see below), whose sum is σ = 4936532216. Its totient is φ = 705218880.

The previous prime is 2115656629. The next prime is 2115656657. The reversal of 2115656652 is 2566565112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2115656652.

It is not an unprimeable number, because it can be changed into a prime (2115656657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88152349 + ... + 88152372.

Almost surely, 2^2115656652 is an apocalyptic number.

It is an amenable number.

2115656652 is an abundant number, since it is smaller than the sum of its proper divisors (2820875564).

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

2115656652 is a wasteful number, since it uses less digits than its factorization.

2115656652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176304728 (or 176304726 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 2115656652 is about 45996.2678051165. The cubic root of 2115656652 is about 1283.7537619443.

The spelling of 2115656652 in words is "two billion, one hundred fifteen million, six hundred fifty-six thousand, six hundred fifty-two".