125561073339 has 18 divisors (see below), whose sum is σ = 196390399140. Its totient is φ = 77268351888.

The previous prime is 125561073331. The next prime is 125561073349. The reversal of 125561073339 is 933370165521.

125561073339 is a `hidden beast` number, since 1 + 25 + 5 + 610 + 7 + 3 + 3 + 3 + 9 = 666.

It is not a de Polignac number, because 125561073339 - 2³ = 125561073331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125561073294 and 125561073303.

It is not an unprimeable number, because it can be changed into a prime (125561073331) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41274309 + ... + 41277350.

It is an arithmetic number, because the mean of its divisors is an integer number (10910577730).

Almost surely, 2^125561073339 is an apocalyptic number.

125561073339 is a deficient number, since it is larger than the sum of its proper divisors (70829325801).

125561073339 is a wasteful number, since it uses less digits than its factorization.

125561073339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82551691 (or 82551675 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The spelling of 125561073339 in words is "one hundred twenty-five billion, five hundred sixty-one million, seventy-three thousand, three hundred thirty-nine".