115556983 has 6 divisors (see below), whose sum is σ = 118445912. Its totient is φ = 112736880.

The previous prime is 115556971. The next prime is 115557017. The reversal of 115556983 is 389655511.

It is not a de Polignac number, because 115556983 - 2⁵ = 115556951 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 (115556083) 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, 32691 + ... + 36052.

Almost surely, 2^115556983 is an apocalyptic number.

115556983 is a deficient number, since it is larger than the sum of its proper divisors (2888929).

115556983 is an frugal number, since it uses more digits than its factorization.

115556983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68825 (or 68784 counting only the distinct ones).

The product of its digits is 162000, while the sum is 43.

The square root of 115556983 is about 10749.7433922862. The cubic root of 115556983 is about 487.0782438615.

The spelling of 115556983 in words is "one hundred fifteen million, five hundred fifty-six thousand, nine hundred eighty-three".