115818100 has 36 divisors (see below), whose sum is σ = 251796384. Its totient is φ = 46240480.

The previous prime is 115818089. The next prime is 115818113. The reversal of 115818100 is 1818511.

115818100 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×115818100² = 26827664575220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

115818100 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 94089 + ... + 95311.

It is an arithmetic number, because the mean of its divisors is an integer number (6994344).

Almost surely, 2^115818100 is an apocalyptic number.

115818100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115818100 is an abundant number, since it is smaller than the sum of its proper divisors (135978284).

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

115818100 is a wasteful number, since it uses less digits than its factorization.

115818100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 25.

The square root of 115818100 is about 10761.8818057067. The cubic root of 115818100 is about 487.4448414472. Note that the first 3 decimals are identical.

The spelling of 115818100 in words is "one hundred fifteen million, eight hundred eighteen thousand, one hundred".