115015680 has 272 divisors, whose sum is σ = 440398560. Its totient is φ = 28311552.

The previous prime is 115015651. The next prime is 115015687. The reversal of 115015680 is 86510511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 8.

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (115015687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8847354 + ... + 8847366.

Almost surely, 2^115015680 is an apocalyptic number.

115015680 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 115015680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220199280).

115015680 is an abundant number, since it is smaller than the sum of its proper divisors (325382880).

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

115015680 is an frugal number, since it uses more digits than its factorization.

115015680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 115015680 is about 10724.5363536145. The cubic root of 115015680 is about 486.3165138337.

The spelling of 115015680 in words is "one hundred fifteen million, fifteen thousand, six hundred eighty".