115825157 has 4 divisors (see below), whose sum is σ = 132371616. Its totient is φ = 99278700.

The previous prime is 115825067. The next prime is 115825163. The reversal of 115825157 is 751528511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751528511 = 523 ⋅1436957.

It is a cyclic number.

It is not a de Polignac number, because 115825157 - 2⁸ = 115824901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115824157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8273219 + ... + 8273232.

It is an arithmetic number, because the mean of its divisors is an integer number (33092904).

Almost surely, 2^115825157 is an apocalyptic number.

It is an amenable number.

115825157 is a deficient number, since it is larger than the sum of its proper divisors (16546459).

115825157 is an equidigital number, since it uses as much as digits as its factorization.

115825157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16546458.

The product of its digits is 14000, while the sum is 35.

The square root of 115825157 is about 10762.2096708808. The cubic root of 115825157 is about 487.4547415359.

The spelling of 115825157 in words is "one hundred fifteen million, eight hundred twenty-five thousand, one hundred fifty-seven".