125025127525 has 6 divisors (see below), whose sum is σ = 155031158162. Its totient is φ = 100020102000.

The previous prime is 125025127517. The next prime is 125025127531. The reversal of 125025127525 is 525721520521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1477095489 + 123548032036 = 38433^2 + 351494^2 .

It is not a de Polignac number, because 125025127525 - 2³ = 125025127517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500502526 + ... + 2500502575.

Almost surely, 2^125025127525 is an apocalyptic number.

It is an amenable number.

125025127525 is a deficient number, since it is larger than the sum of its proper divisors (30006030637).

125025127525 is an equidigital number, since it uses as much as digits as its factorization.

125025127525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001005111 (or 5001005106 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 125025127525 in words is "one hundred twenty-five billion, twenty-five million, one hundred twenty-seven thousand, five hundred twenty-five".