113015520 has 96 divisors (see below), whose sum is σ = 395569440. Its totient is φ = 30136320.

The previous prime is 113015519. The next prime is 113015531. The reversal of 113015520 is 25510311.

113015520 is a `hidden beast` number, since 1 + 130 + 15 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113015493 and 113015502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8761 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (4120515).

Almost surely, 2^113015520 is an apocalyptic number.

113015520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113015520 is an abundant number, since it is smaller than the sum of its proper divisors (282553920).

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

113015520 is a wasteful number, since it uses less digits than its factorization.

113015520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26185 (or 26171 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 113015520 is about 10630.8757870648. The cubic root of 113015520 is about 483.4809452695.

Adding to 113015520 its reverse (25510311), we get a palindrome (138525831).

The spelling of 113015520 in words is "one hundred thirteen million, fifteen thousand, five hundred twenty".