115057100 has 36 divisors (see below), whose sum is σ = 252030744. Its totient is φ = 45588480.

The previous prime is 115057099. The next prime is 115057183. The reversal of 115057100 is 1750511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5324 + ... + 16076.

It is an arithmetic number, because the mean of its divisors is an integer number (7000854).

Almost surely, 2^115057100 is an apocalyptic number.

115057100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115057100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126015372).

115057100 is an abundant number, since it is smaller than the sum of its proper divisors (136973644).

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

115057100 is a wasteful number, since it uses less digits than its factorization.

115057100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10874 (or 10867 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 115057100 is about 10726.4672656005. The cubic root of 115057100 is about 486.3748850415.

The spelling of 115057100 in words is "one hundred fifteen million, fifty-seven thousand, one hundred".