113251306656 has 96 divisors (see below), whose sum is σ = 316531333440. Its totient is φ = 35331239936.

The previous prime is 113251306591. The next prime is 113251306661. The reversal of 113251306656 is 656603152311.

113251306656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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, 98290 + ... + 485966.

It is an arithmetic number, because the mean of its divisors is an integer number (3297201390).

Almost surely, 2^113251306656 is an apocalyptic number.

113251306656 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 113251306656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158265666720).

113251306656 is an abundant number, since it is smaller than the sum of its proper divisors (203280026784).

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

113251306656 is a wasteful number, since it uses less digits than its factorization.

113251306656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387886 (or 387878 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

Adding to 113251306656 its reverse (656603152311), we get a palindrome (769854458967).

The spelling of 113251306656 in words is "one hundred thirteen billion, two hundred fifty-one million, three hundred six thousand, six hundred fifty-six".