113891722642368 has 168 divisors, whose sum is σ = 356210300562480. Its totient is φ = 34504603176960.

The previous prime is 113891722642351. The next prime is 113891722642403. The reversal of 113891722642368 is 863246227198311.

It is a happy number.

113891722642368 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 9 + 1 + 7 + 2 + 264 + 2 + 368 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25134178 + ... + 29317406.

It is an arithmetic number, because the mean of its divisors is an integer number (2120299408110).

Almost surely, 2^{113891722642368} is an apocalyptic number.

113891722642368 is a gapful number since it is divisible by the number (18) 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 113891722642368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178105150281240).

113891722642368 is an abundant number, since it is smaller than the sum of its proper divisors (242318577920112).

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

113891722642368 is a wasteful number, since it uses less digits than its factorization.

113891722642368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187555 (or 4187542 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 113891722642368 in words is "one hundred thirteen trillion, eight hundred ninety-one billion, seven hundred twenty-two million, six hundred forty-two thousand, three hundred sixty-eight".