115551520 has 48 divisors (see below), whose sum is σ = 311992128. Its totient is φ = 39617280.

The previous prime is 115551511. The next prime is 115551523. The reversal of 115551520 is 25155511.

It is not an unprimeable number, because it can be changed into a prime (115551523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50466 + ... + 52705.

It is an arithmetic number, because the mean of its divisors is an integer number (6499836).

Almost surely, 2^115551520 is an apocalyptic number.

115551520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115551520 is an abundant number, since it is smaller than the sum of its proper divisors (196440608).

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

115551520 is a wasteful number, since it uses less digits than its factorization.

115551520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103193 (or 103185 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 115551520 is about 10749.4892901942. The cubic root of 115551520 is about 487.0705681379.

The spelling of 115551520 in words is "one hundred fifteen million, five hundred fifty-one thousand, five hundred twenty".