115988655 has 16 divisors (see below), whose sum is σ = 193651200. Its totient is φ = 59170848.

The previous prime is 115988647. The next prime is 115988657. The reversal of 115988655 is 556889511.

It is not a de Polignac number, because 115988655 - 2³ = 115988647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115988657) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 167755 + ... + 168444.

It is an arithmetic number, because the mean of its divisors is an integer number (12103200).

Almost surely, 2^115988655 is an apocalyptic number.

115988655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115988655 is a deficient number, since it is larger than the sum of its proper divisors (77662545).

115988655 is a wasteful number, since it uses less digits than its factorization.

115988655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336230.

The product of its digits is 432000, while the sum is 48.

The square root of 115988655 is about 10769.8029229880. The cubic root of 115988655 is about 487.6839962921.

The spelling of 115988655 in words is "one hundred fifteen million, nine hundred eighty-eight thousand, six hundred fifty-five".