118115520 has 112 divisors (see below), whose sum is σ = 381353568. Its totient is φ = 30965760.

The previous prime is 118115497. The next prime is 118115527. The reversal of 118115520 is 25511811.

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 (118115527) 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, 57552 + ... + 59568.

Almost surely, 2^118115520 is an apocalyptic number.

118115520 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 118115520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190676784).

118115520 is an abundant number, since it is smaller than the sum of its proper divisors (263238048).

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

118115520 is a wasteful number, since it uses less digits than its factorization.

118115520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 24.

The square root of 118115520 is about 10868.0964294581. The cubic root of 118115520 is about 490.6468203745.

The spelling of 118115520 in words is "one hundred eighteen million, one hundred fifteen thousand, five hundred twenty".