115960287 has 16 divisors (see below), whose sum is σ = 164280960. Its totient is φ = 72549792.

The previous prime is 115960277. The next prime is 115960297. The reversal of 115960287 is 782069511.

It is an interprime number because it is at equal distance from previous prime (115960277) and next prime (115960297).

It is not a de Polignac number, because 115960287 - 2²⁰ = 114911711 is a prime.

It is a super-2 number, since 2×115960287² = 26893576322244738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115960277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3408 + ... + 15605.

It is an arithmetic number, because the mean of its divisors is an integer number (10267560).

Almost surely, 2^115960287 is an apocalyptic number.

115960287 is a deficient number, since it is larger than the sum of its proper divisors (48320673).

115960287 is a wasteful number, since it uses less digits than its factorization.

115960287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19142.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 115960287 is about 10768.4858267075. The cubic root of 115960287 is about 487.6442345078.

The spelling of 115960287 in words is "one hundred fifteen million, nine hundred sixty thousand, two hundred eighty-seven".