115615800 has 72 divisors (see below), whose sum is σ = 388282440. Its totient is φ = 30830400.

The previous prime is 115615783. The next prime is 115615823. The reversal of 115615800 is 8516511.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30316 + ... + 33915.

Almost surely, 2^115615800 is an apocalyptic number.

115615800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115615800 is an abundant number, since it is smaller than the sum of its proper divisors (272666640).

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

115615800 is a wasteful number, since it uses less digits than its factorization.

115615800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64253 (or 64241 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 115615800 is about 10752.4787839828. The cubic root of 115615800 is about 487.1608686731.

The spelling of 115615800 in words is "one hundred fifteen million, six hundred fifteen thousand, eight hundred".