115191656 has 16 divisors (see below), whose sum is σ = 221822340. Its totient is φ = 56039040.

The previous prime is 115191649. The next prime is 115191697. The reversal of 115191656 is 656191511.

It can be written as a sum of positive squares in 2 ways, for example, as 87796900 + 27394756 = 9370^2 + 5234^2 .

It is a super-2 number, since 2×115191656² = 26538235224044672, which contains 22 as substring.

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, 194285 + ... + 194876.

Almost surely, 2^115191656 is an apocalyptic number.

It is an amenable number.

115191656 is a deficient number, since it is larger than the sum of its proper divisors (106630684).

115191656 is a wasteful number, since it uses less digits than its factorization.

115191656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389204 (or 389200 counting only the distinct ones).

The product of its digits is 8100, while the sum is 35.

The square root of 115191656 is about 10732.7375818102. The cubic root of 115191656 is about 486.5644117017.

The spelling of 115191656 in words is "one hundred fifteen million, one hundred ninety-one thousand, six hundred fifty-six".