113151312520 has 64 divisors (see below), whose sum is σ = 273589850880. Its totient is φ = 41962331136.

The previous prime is 113151312517. The next prime is 113151312581. The reversal of 113151312520 is 25213151311.

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, 1196224 + ... + 1287343.

It is an arithmetic number, because the mean of its divisors is an integer number (4274841420).

Almost surely, 2^113151312520 is an apocalyptic number.

113151312520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113151312520 is an abundant number, since it is smaller than the sum of its proper divisors (160438538360).

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

113151312520 is a wasteful number, since it uses less digits than its factorization.

113151312520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483662 (or 2483658 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 113151312520 its reverse (25213151311), we get a palindrome (138364463831).

The spelling of 113151312520 in words is "one hundred thirteen billion, one hundred fifty-one million, three hundred twelve thousand, five hundred twenty".