113256772564 has 24 divisors (see below), whose sum is σ = 226001072808. Its totient is φ = 49197511680.

The previous prime is 113256772469. The next prime is 113256772613. The reversal of 113256772564 is 465277652311.

It can be written as a sum of positive squares in 4 ways, for example, as 27353852100 + 85902920464 = 165390^2 + 293092^2 .

It is a super-2 number, since 2×113256772564² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 64058377 + ... + 64060144.

It is an arithmetic number, because the mean of its divisors is an integer number (9416711367).

Almost surely, 2^113256772564 is an apocalyptic number.

It is an amenable number.

113256772564 is a deficient number, since it is larger than the sum of its proper divisors (112744300244).

113256772564 is a wasteful number, since it uses less digits than its factorization.

113256772564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128118555 (or 128118553 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The spelling of 113256772564 in words is "one hundred thirteen billion, two hundred fifty-six million, seven hundred seventy-two thousand, five hundred sixty-four".