115589913 has 4 divisors (see below), whose sum is σ = 154119888. Its totient is φ = 77059940.

The previous prime is 115589899. The next prime is 115589921. The reversal of 115589913 is 319985511.

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.

It is a cyclic number.

It is not a de Polignac number, because 115589913 - 2⁴ = 115589897 is a prime.

It is a super-2 number, since 2×115589913² = 26722055974695138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115589923) 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, 19264983 + ... + 19264988.

It is an arithmetic number, because the mean of its divisors is an integer number (38529972).

Almost surely, 2^115589913 is an apocalyptic number.

It is an amenable number.

115589913 is a deficient number, since it is larger than the sum of its proper divisors (38529975).

115589913 is an equidigital number, since it uses as much as digits as its factorization.

115589913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38529974.

The product of its digits is 48600, while the sum is 42.

The square root of 115589913 is about 10751.2749476516. The cubic root of 115589913 is about 487.1245066455.

The spelling of 115589913 in words is "one hundred fifteen million, five hundred eighty-nine thousand, nine hundred thirteen".