7157012115 has 32 divisors (see below), whose sum is σ = 12555072000. Its totient is φ = 3452613120.

The previous prime is 7157012069. The next prime is 7157012147. The reversal of 7157012115 is 5112107517.

7157012115 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7157012115 - 2¹⁰ = 7157011091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76150 + ... + 141819.

It is an arithmetic number, because the mean of its divisors is an integer number (392346000).

Almost surely, 2^7157012115 is an apocalyptic number.

7157012115 is a deficient number, since it is larger than the sum of its proper divisors (5398059885).

7157012115 is a wasteful number, since it uses less digits than its factorization.

7157012115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218187.

The product of its (nonzero) digits is 2450, while the sum is 30.

The square root of 7157012115 is about 84599.1259706624. The cubic root of 7157012115 is about 1927.1281004308.

The spelling of 7157012115 in words is "seven billion, one hundred fifty-seven million, twelve thousand, one hundred fifteen".