115968985 has 32 divisors (see below), whose sum is σ = 165970944. Its totient is φ = 76800000.

The previous prime is 115968977. The next prime is 115969001. The reversal of 115968985 is 589869511.

It is not a de Polignac number, because 115968985 - 2³ = 115968977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26985 + ... + 30985.

It is an arithmetic number, because the mean of its divisors is an integer number (5186592).

Almost surely, 2^115968985 is an apocalyptic number.

It is an amenable number.

115968985 is a deficient number, since it is larger than the sum of its proper divisors (50001959).

115968985 is a wasteful number, since it uses less digits than its factorization.

115968985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065.

The product of its digits is 777600, while the sum is 52.

The square root of 115968985 is about 10768.8896827853. The cubic root of 115968985 is about 487.6564266804.

The spelling of 115968985 in words is "one hundred fifteen million, nine hundred sixty-eight thousand, nine hundred eighty-five".