125262527525 has 12 divisors (see below), whose sum is σ = 155970045924. Its totient is φ = 99794208000.

The previous prime is 125262527513. The next prime is 125262527617. The reversal of 125262527525 is 525725262521.

It can be written as a sum of positive squares in 6 ways, for example, as 13750611169 + 111511916356 = 117263^2 + 333934^2 .

It is not a de Polignac number, because 125262527525 - 2²⁶ = 125195418661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10389206 + ... + 10401255.

It is an arithmetic number, because the mean of its divisors is an integer number (12997503827).

Almost surely, 2^125262527525 is an apocalyptic number.

It is an amenable number.

125262527525 is a deficient number, since it is larger than the sum of its proper divisors (30707518399).

125262527525 is a wasteful number, since it uses less digits than its factorization.

125262527525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790712 (or 20790707 counting only the distinct ones).

The product of its digits is 840000, while the sum is 44.

The spelling of 125262527525 in words is "one hundred twenty-five billion, two hundred sixty-two million, five hundred twenty-seven thousand, five hundred twenty-five".