113156663136 has 96 divisors (see below), whose sum is σ = 325272423168. Its totient is φ = 34159434240.

The previous prime is 113156663111. The next prime is 113156663161. The reversal of 113156663136 is 631366651311.

It is an interprime number because it is at equal distance from previous prime (113156663111) and next prime (113156663161).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74010 + ... + 481446.

It is an arithmetic number, because the mean of its divisors is an integer number (3388254408).

Almost surely, 2^113156663136 is an apocalyptic number.

113156663136 is a gapful number since it is divisible by the number (16) 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 113156663136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162636211584).

113156663136 is an abundant number, since it is smaller than the sum of its proper divisors (212115760032).

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

113156663136 is a wasteful number, since it uses less digits than its factorization.

113156663136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407724 (or 407716 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The spelling of 113156663136 in words is "one hundred thirteen billion, one hundred fifty-six million, six hundred sixty-three thousand, one hundred thirty-six".