115165863 has 6 divisors (see below), whose sum is σ = 166350704. Its totient is φ = 76777236.

The previous prime is 115165861. The next prime is 115165889. The reversal of 115165863 is 368561511.

It is not a de Polignac number, because 115165863 - 2¹ = 115165861 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 (115165861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6398095 + ... + 6398112.

Almost surely, 2^115165863 is an apocalyptic number.

115165863 is a deficient number, since it is larger than the sum of its proper divisors (51184841).

115165863 is a wasteful number, since it uses less digits than its factorization.

115165863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12796213 (or 12796210 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 115165863 is about 10731.5359105768. The cubic root of 115165863 is about 486.5280928307.

The spelling of 115165863 in words is "one hundred fifteen million, one hundred sixty-five thousand, eight hundred sixty-three".