115512663 has 16 divisors (see below), whose sum is σ = 180114176. Its totient is φ = 64471680.

The previous prime is 115512653. The next prime is 115512673. The reversal of 115512663 is 366215511.

It is an interprime number because it is at equal distance from previous prime (115512653) and next prime (115512673).

It is not a de Polignac number, because 115512663 - 2⁹ = 115512151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115512663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115512653) 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, 63058 + ... + 64863.

It is an arithmetic number, because the mean of its divisors is an integer number (11257136).

Almost surely, 2^115512663 is an apocalyptic number.

115512663 is a deficient number, since it is larger than the sum of its proper divisors (64601513).

115512663 is a wasteful number, since it uses less digits than its factorization.

115512663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127974.

The product of its digits is 5400, while the sum is 30.

The square root of 115512663 is about 10747.6817500334. The cubic root of 115512663 is about 487.0159655880.

The spelling of 115512663 in words is "one hundred fifteen million, five hundred twelve thousand, six hundred sixty-three".