115516765 has 24 divisors (see below), whose sum is σ = 173660760. Its totient is φ = 73116288.

The previous prime is 115516763. The next prime is 115516781. The reversal of 115516765 is 567615511.

It can be written as a sum of positive squares in 4 ways, for example, as 21930489 + 93586276 = 4683^2 + 9674^2 .

It is not a de Polignac number, because 115516765 - 2¹ = 115516763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115516763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14950 + ... + 21319.

It is an arithmetic number, because the mean of its divisors is an integer number (7235865).

Almost surely, 2^115516765 is an apocalyptic number.

It is an amenable number.

115516765 is a deficient number, since it is larger than the sum of its proper divisors (58143995).

115516765 is a wasteful number, since it uses less digits than its factorization.

115516765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36301 (or 36294 counting only the distinct ones).

The product of its digits is 31500, while the sum is 37.

The square root of 115516765 is about 10747.8725801900. The cubic root of 115516765 is about 487.0217303696.

It can be divided in two parts, 115516 and 765, that added together give a square (116281 = 341²).

The spelling of 115516765 in words is "one hundred fifteen million, five hundred sixteen thousand, seven hundred sixty-five".