125727475537 has 16 divisors (see below), whose sum is σ = 129510420480. Its totient is φ = 121995271888.

The previous prime is 125727475529. The next prime is 125727475541. The reversal of 125727475537 is 735574727521.

It is a cyclic number.

It is not a de Polignac number, because 125727475537 - 2³ = 125727475529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125727475547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2525238 + ... + 2574544.

It is an arithmetic number, because the mean of its divisors is an integer number (8094401280).

Almost surely, 2^125727475537 is an apocalyptic number.

It is an amenable number.

125727475537 is a deficient number, since it is larger than the sum of its proper divisors (3782944943).

125727475537 is a wasteful number, since it uses less digits than its factorization.

125727475537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49820.

The product of its digits is 14406000, while the sum is 55.

The spelling of 125727475537 in words is "one hundred twenty-five billion, seven hundred twenty-seven million, four hundred seventy-five thousand, five hundred thirty-seven".