113012721264 has 40 divisors (see below), whose sum is σ = 299840062480. Its totient is φ = 36652773888.

The previous prime is 113012721253. The next prime is 113012721319. The reversal of 113012721264 is 462127210311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31814869 + ... + 31818420.

It is an arithmetic number, because the mean of its divisors is an integer number (7496001562).

Almost surely, 2^113012721264 is an apocalyptic number.

It is an amenable number.

113012721264 is an abundant number, since it is smaller than the sum of its proper divisors (186827341216).

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

113012721264 is a wasteful number, since it uses less digits than its factorization.

113012721264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63633337 (or 63633331 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 113012721264 its reverse (462127210311), we get a palindrome (575139931575).

The spelling of 113012721264 in words is "one hundred thirteen billion, twelve million, seven hundred twenty-one thousand, two hundred sixty-four".