115605800 has 24 divisors (see below), whose sum is σ = 268783950. Its totient is φ = 46242240.

The previous prime is 115605799. The next prime is 115605827. The reversal of 115605800 is 8506511.

It can be written as a sum of positive squares in 3 ways, for example, as 62694724 + 52911076 = 7918^2 + 7274^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115605800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288815 + ... + 289214.

Almost surely, 2^115605800 is an apocalyptic number.

115605800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115605800 is an abundant number, since it is smaller than the sum of its proper divisors (153178150).

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

115605800 is a wasteful number, since it uses less digits than its factorization.

115605800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578045 (or 578036 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 115605800 is about 10752.0137648721. The cubic root of 115605800 is about 487.1468228733.

The spelling of 115605800 in words is "one hundred fifteen million, six hundred five thousand, eight hundred".