115418520 has 240 divisors, whose sum is σ = 451891440. Its totient is φ = 26345088.

The previous prime is 115418497. The next prime is 115418533. The reversal of 115418520 is 25814511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 158397 + ... + 159123.

It is an arithmetic number, because the mean of its divisors is an integer number (1882881).

Almost surely, 2^115418520 is an apocalyptic number.

115418520 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 115418520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225945720).

115418520 is an abundant number, since it is smaller than the sum of its proper divisors (336472920).

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

115418520 is a wasteful number, since it uses less digits than its factorization.

115418520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 115418520 is about 10743.3011686353. The cubic root of 115418520 is about 486.8836233719.

The spelling of 115418520 in words is "one hundred fifteen million, four hundred eighteen thousand, five hundred twenty".