113351516820 has 72 divisors (see below), whose sum is σ = 343863734760. Its totient is φ = 30224363520.

The previous prime is 113351516819. The next prime is 113351516821. The reversal of 113351516820 is 28615153311.

It is a happy number.

113351516820 is a `hidden beast` number, since 1 + 13 + 3 + 51 + 516 + 82 + 0 = 666.

113351516820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (113351516819) and next prime (113351516821).

It can be written as a sum of positive squares in 4 ways, for example, as 217503504 + 113134013316 = 14748^2 + 336354^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113351516821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2738680 + ... + 2779760.

It is an arithmetic number, because the mean of its divisors is an integer number (4775885205).

Almost surely, 2^113351516820 is an apocalyptic number.

113351516820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113351516820 is an abundant number, since it is smaller than the sum of its proper divisors (230512217940).

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

113351516820 is a wasteful number, since it uses less digits than its factorization.

113351516820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56425 (or 56420 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 113351516820 in words is "one hundred thirteen billion, three hundred fifty-one million, five hundred sixteen thousand, eight hundred twenty".