113809565264 has 80 divisors (see below), whose sum is σ = 239424532992. Its totient is φ = 52266998784.

The previous prime is 113809565257. The next prime is 113809565267. The reversal of 113809565264 is 462565908311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113809565267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854612 + ... + 978764.

Almost surely, 2^113809565264 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 113809565264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119712266496).

113809565264 is an abundant number, since it is smaller than the sum of its proper divisors (125614967728).

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

113809565264 is a wasteful number, since it uses less digits than its factorization.

113809565264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124284 (or 124278 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 113809565264 in words is "one hundred thirteen billion, eight hundred nine million, five hundred sixty-five thousand, two hundred sixty-four".