125067133656 has 48 divisors (see below), whose sum is σ = 346600785960. Its totient is φ = 40719530880.

The previous prime is 125067133643. The next prime is 125067133657. The reversal of 125067133656 is 656331760521.

125067133656 is a `hidden beast` number, since 1 + 2 + 506 + 7 + 133 + 6 + 5 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125067133657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20195085 + ... + 20201276.

Almost surely, 2^125067133656 is an apocalyptic number.

It is an amenable number.

125067133656 is an abundant number, since it is smaller than the sum of its proper divisors (221533652304).

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

125067133656 is a wasteful number, since it uses less digits than its factorization.

125067133656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40396416 (or 40396409 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

It can be divided in two parts, 12506713 and 3656, that added together give a square (12510369 = 3537²).

The spelling of 125067133656 in words is "one hundred twenty-five billion, sixty-seven million, one hundred thirty-three thousand, six hundred fifty-six".