115715017157 has 2 divisors, whose sum is σ = 115715017158. Its totient is φ = 115715017156.

The previous prime is 115715017151. The next prime is 115715017193. The reversal of 115715017157 is 751710517511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94056302596 + 21658714561 = 306686^2 + 147169^2 .

It is a cyclic number.

It is not a de Polignac number, because 115715017157 - 2¹² = 115715013061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115715017151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57857508578 + 57857508579.

It is an arithmetic number, because the mean of its divisors is an integer number (57857508579).

Almost surely, 2^115715017157 is an apocalyptic number.

It is an amenable number.

115715017157 is a deficient number, since it is larger than the sum of its proper divisors (1).

115715017157 is an equidigital number, since it uses as much as digits as its factorization.

115715017157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42875, while the sum is 41.

The spelling of 115715017157 in words is "one hundred fifteen billion, seven hundred fifteen million, seventeen thousand, one hundred fifty-seven".