125565333636616 has 8 divisors (see below), whose sum is σ = 235435000568670. Its totient is φ = 62782666818304.

The previous prime is 125565333636553. The next prime is 125565333636629. The reversal of 125565333636616 is 616636333565521.

It can be written as a sum of positive squares in only one way, i.e., 76883260256100 + 48682073380516 = 8768310^2 + 6977254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×125565333636616² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7847833352281 + ... + 7847833352296.

Almost surely, 2^{125565333636616} is an apocalyptic number.

It is an amenable number.

125565333636616 is a deficient number, since it is larger than the sum of its proper divisors (109869666932054).

125565333636616 is a wasteful number, since it uses less digits than its factorization.

125565333636616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15695666704583 (or 15695666704579 counting only the distinct ones).

The product of its digits is 157464000, while the sum is 61.

The spelling of 125565333636616 in words is "one hundred twenty-five trillion, five hundred sixty-five billion, three hundred thirty-three million, six hundred thirty-six thousand, six hundred sixteen".