115155500 has 24 divisors (see below), whose sum is σ = 251500704. Its totient is φ = 46062000.

The previous prime is 115155497. The next prime is 115155559. The reversal of 115155500 is 5551511.

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 in 7 ways as a sum of consecutive naturals, for example, 114656 + ... + 115655.

It is an arithmetic number, because the mean of its divisors is an integer number (10479196).

Almost surely, 2^115155500 is an apocalyptic number.

115155500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115155500 is an abundant number, since it is smaller than the sum of its proper divisors (136345204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115155500 is a wasteful number, since it uses less digits than its factorization.

115155500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230330 (or 230318 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

The square root of 115155500 is about 10731.0530704121. The cubic root of 115155500 is about 486.5134992647.

The spelling of 115155500 in words is "one hundred fifteen million, one hundred fifty-five thousand, five hundred".