115885157 has 2 divisors, whose sum is σ = 115885158. Its totient is φ = 115885156.

The previous prime is 115885153. The next prime is 115885169. The reversal of 115885157 is 751588511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112550881 + 3334276 = 10609^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 115885157 - 2² = 115885153 is a prime.

It is a super-2 number, since 2×115885157² = 26858739225829298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115885151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57942578 + 57942579.

It is an arithmetic number, because the mean of its divisors is an integer number (57942579).

Almost surely, 2^115885157 is an apocalyptic number.

It is an amenable number.

115885157 is a deficient number, since it is larger than the sum of its proper divisors (1).

115885157 is an equidigital number, since it uses as much as digits as its factorization.

115885157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56000, while the sum is 41.

The square root of 115885157 is about 10764.9968416159. The cubic root of 115885157 is about 487.5388977948.

The spelling of 115885157 in words is "one hundred fifteen million, eight hundred eighty-five thousand, one hundred fifty-seven".