115956986 has 8 divisors (see below), whose sum is σ = 174550944. Its totient is φ = 57773340.

The previous prime is 115956959. The next prime is 115956991. The reversal of 115956986 is 689659511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101870 + ... + 103001.

It is an arithmetic number, because the mean of its divisors is an integer number (21818868).

Almost surely, 2^115956986 is an apocalyptic number.

115956986 is a deficient number, since it is larger than the sum of its proper divisors (58593958).

115956986 is a wasteful number, since it uses less digits than its factorization.

115956986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205156.

The product of its digits is 583200, while the sum is 50.

The square root of 115956986 is about 10768.3325543001. The cubic root of 115956986 is about 487.6396072659.

It can be divided in two parts, 11595 and 6986, that added together give a palindrome (18581).

The spelling of 115956986 in words is "one hundred fifteen million, nine hundred fifty-six thousand, nine hundred eighty-six".