115715000 has 40 divisors (see below), whose sum is σ = 271131960. Its totient is φ = 46284000.

The previous prime is 115714999. The next prime is 115715009. The reversal of 115715000 is 517511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×115715000² = 26779922450000000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115715009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6572 + ... + 16571.

It is an arithmetic number, because the mean of its divisors is an integer number (6778299).

Almost surely, 2^115715000 is an apocalyptic number.

115715000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115715000 is an abundant number, since it is smaller than the sum of its proper divisors (155416960).

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

115715000 is an equidigital number, since it uses as much as digits as its factorization.

115715000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23169 (or 23150 counting only the distinct ones).

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

The square root of 115715000 is about 10757.0906847530. The cubic root of 115715000 is about 487.3001591599.

The spelling of 115715000 in words is "one hundred fifteen million, seven hundred fifteen thousand".