115851595 has 4 divisors (see below), whose sum is σ = 139021920. Its totient is φ = 92681272.

The previous prime is 115851581. The next prime is 115851641. The reversal of 115851595 is 595158511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 595158511 = 23 ⋅25876457.

It is a cyclic number.

It is not a de Polignac number, because 115851595 - 2⁷ = 115851467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11585155 + ... + 11585164.

It is an arithmetic number, because the mean of its divisors is an integer number (34755480).

Almost surely, 2^115851595 is an apocalyptic number.

115851595 is a deficient number, since it is larger than the sum of its proper divisors (23170325).

115851595 is an equidigital number, since it uses as much as digits as its factorization.

115851595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23170324.

The product of its digits is 45000, while the sum is 40.

The square root of 115851595 is about 10763.4378801571. The cubic root of 115851595 is about 487.4918271696.

The spelling of 115851595 in words is "one hundred fifteen million, eight hundred fifty-one thousand, five hundred ninety-five".