2115657104 has 40 divisors (see below), whose sum is σ = 4575739872. Its totient is φ = 939294720.

The previous prime is 2115657101. The next prime is 2115657133. The reversal of 2115657104 is 4017565112.

It is not an unprimeable number, because it can be changed into a prime (2115657101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132209 + ... + 147344.

Almost surely, 2^2115657104 is an apocalyptic number.

It is an amenable number.

2115657104 is an abundant number, since it is smaller than the sum of its proper divisors (2460082768).

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

2115657104 is a wasteful number, since it uses less digits than its factorization.

2115657104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279615 (or 279609 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 2115657104 is about 45996.2727185584. The cubic root of 2115657104 is about 1283.7538533669.

The spelling of 2115657104 in words is "two billion, one hundred fifteen million, six hundred fifty-seven thousand, one hundred four".