2115924156 has 18 divisors (see below), whose sum is σ = 5348586152. Its totient is φ = 705308040.

The previous prime is 2115924103. The next prime is 2115924163. The reversal of 2115924156 is 6514295112.

2115924156 is a `hidden beast` number, since 2 + 11 + 592 + 4 + 1 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 58775671 = 2115924156 / (2 + 1 + 1 + 5 + 9 + 2 + 4 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 2115924156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29387800 + ... + 29387871.

Almost surely, 2^2115924156 is an apocalyptic number.

It is an amenable number.

2115924156 is an abundant number, since it is smaller than the sum of its proper divisors (3232661996).

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

2115924156 is a wasteful number, since it uses less digits than its factorization.

2115924156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58775681 (or 58775676 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 2115924156 is about 45999.1756013083. The cubic root of 2115924156 is about 1283.8078656813.

The spelling of 2115924156 in words is "two billion, one hundred fifteen million, nine hundred twenty-four thousand, one hundred fifty-six".