115317074565 has 144 divisors (see below), whose sum is σ = 254062650816. Its totient is φ = 47846937600.

The previous prime is 115317074539. The next prime is 115317074591. The reversal of 115317074565 is 565470713511.

115317074565 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 17 + 0 + 74 + 565 = 666.

It is an interprime number because it is at equal distance from previous prime (115317074539) and next prime (115317074591).

It is not a de Polignac number, because 115317074565 - 2⁶ = 115317074501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 115317074565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16562685 + ... + 16569645.

It is an arithmetic number, because the mean of its divisors is an integer number (1764323964).

Almost surely, 2^115317074565 is an apocalyptic number.

115317074565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115317074565 is an abundant number, since it is smaller than the sum of its proper divisors (138745576251).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115317074565 is a wasteful number, since it uses less digits than its factorization.

115317074565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680 (or 7670 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 115317074565 in words is "one hundred fifteen billion, three hundred seventeen million, seventy-four thousand, five hundred sixty-five".