113262538368 has 128 divisors (see below), whose sum is σ = 347975953920. Its totient is φ = 31970774016.

The previous prime is 113262538357. The next prime is 113262538429. The reversal of 113262538368 is 863835262311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30730 + ... + 476937.

It is an arithmetic number, because the mean of its divisors is an integer number (2718562140).

Almost surely, 2^113262538368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113262538368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173987976960).

113262538368 is an abundant number, since it is smaller than the sum of its proper divisors (234713415552).

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

113262538368 is an equidigital number, since it uses as much as digits as its factorization.

113262538368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507774 (or 507762 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The spelling of 113262538368 in words is "one hundred thirteen billion, two hundred sixty-two million, five hundred thirty-eight thousand, three hundred sixty-eight".