133117725556 has 24 divisors (see below), whose sum is σ = 236965085000. Its totient is φ = 65415168000.

The previous prime is 133117725527. The next prime is 133117725563. The reversal of 133117725556 is 655527711331.

It can be written as a sum of positive squares in 4 ways, for example, as 1976691600 + 131141033956 = 44460^2 + 362134^2 .

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, 86356 + ... + 523156.

Almost surely, 2^133117725556 is an apocalyptic number.

It is an amenable number.

133117725556 is a deficient number, since it is larger than the sum of its proper divisors (103847359444).

133117725556 is a wasteful number, since it uses less digits than its factorization.

133117725556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438115 (or 438113 counting only the distinct ones).

The product of its digits is 661500, while the sum is 46.

The spelling of 133117725556 in words is "one hundred thirty-three billion, one hundred seventeen million, seven hundred twenty-five thousand, five hundred fifty-six".