115901956 has 6 divisors (see below), whose sum is σ = 202828430. Its totient is φ = 57950976.

The previous prime is 115901939. The next prime is 115901959. The reversal of 115901956 is 659109511.

It can be written as a sum of positive squares in only one way, i.e., 112021056 + 3880900 = 10584^2 + 1970^2 .

It is not an unprimeable number, because it can be changed into a prime (115901959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14487741 + ... + 14487748.

Almost surely, 2^115901956 is an apocalyptic number.

It is an amenable number.

115901956 is a deficient number, since it is larger than the sum of its proper divisors (86926474).

115901956 is a wasteful number, since it uses less digits than its factorization.

115901956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28975493 (or 28975491 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 37.

The square root of 115901956 is about 10765.7770736719. Note that the first 3 decimals coincide. The cubic root of 115901956 is about 487.5624549394.

The spelling of 115901956 in words is "one hundred fifteen million, nine hundred one thousand, nine hundred fifty-six".