115563087 has 6 divisors (see below), whose sum is σ = 166924472. Its totient is φ = 77042052.

The previous prime is 115563067. The next prime is 115563113. The reversal of 115563087 is 780365511.

115563087 is a `hidden beast` number, since 1 + 15 + 5 + 630 + 8 + 7 = 666.

It is not a de Polignac number, because 115563087 - 2¹⁸ = 115300943 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 (115563047) 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, 6420163 + ... + 6420180.

Almost surely, 2^115563087 is an apocalyptic number.

115563087 is a deficient number, since it is larger than the sum of its proper divisors (51361385).

115563087 is a wasteful number, since it uses less digits than its factorization.

115563087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12840349 (or 12840346 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 115563087 is about 10750.0273022909. The cubic root of 115563087 is about 487.0868199284.

The spelling of 115563087 in words is "one hundred fifteen million, five hundred sixty-three thousand, eighty-seven".