115161856 has 18 divisors (see below), whose sum is σ = 229874372. Its totient is φ = 57580800.

The previous prime is 115161847. The next prime is 115161877. The reversal of 115161856 is 658161511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224670 + ... + 225181.

Almost surely, 2^115161856 is an apocalyptic number.

115161856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115161856 is a deficient number, since it is larger than the sum of its proper divisors (114712516).

115161856 is an frugal number, since it uses more digits than its factorization.

115161856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449867 (or 449853 counting only the distinct ones).

The product of its digits is 7200, while the sum is 34.

The square root of 115161856 is about 10731.3492161983. The cubic root of 115161856 is about 486.5224501265.

The spelling of 115161856 in words is "one hundred fifteen million, one hundred sixty-one thousand, eight hundred fifty-six".