115715400 has 48 divisors (see below), whose sum is σ = 358719600. Its totient is φ = 30857280.

The previous prime is 115715399. The next prime is 115715401. The reversal of 115715400 is 4517511.

It is an interprime number because it is at equal distance from previous prime (115715399) and next prime (115715401).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (115715401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95830 + ... + 97029.

It is an arithmetic number, because the mean of its divisors is an integer number (7473325).

Almost surely, 2^115715400 is an apocalyptic number.

115715400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115715400 is an abundant number, since it is smaller than the sum of its proper divisors (243004200).

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

115715400 is a wasteful number, since it uses less digits than its factorization.

115715400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192878 (or 192869 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 115715400 is about 10757.1092771246. The cubic root of 115715400 is about 487.3007206539.

The spelling of 115715400 in words is "one hundred fifteen million, seven hundred fifteen thousand, four hundred".