115537120 has 48 divisors (see below), whose sum is σ = 273874608. Its totient is φ = 46059520.

The previous prime is 115537099. The next prime is 115537127. The reversal of 115537120 is 21735511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115537127) 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, 54480 + ... + 56560.

It is an arithmetic number, because the mean of its divisors is an integer number (5705721).

Almost surely, 2^115537120 is an apocalyptic number.

115537120 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 115537120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136937304).

115537120 is an abundant number, since it is smaller than the sum of its proper divisors (158337488).

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

115537120 is a wasteful number, since it uses less digits than its factorization.

115537120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 115537120 is about 10748.8194700627. The cubic root of 115537120 is about 487.0503344287.

The spelling of 115537120 in words is "one hundred fifteen million, five hundred thirty-seven thousand, one hundred twenty".