125026252525 has 6 divisors (see below), whose sum is σ = 155032553162. Its totient is φ = 100021002000.

The previous prime is 125026252511. The next prime is 125026252537. The reversal of 125026252525 is 525252620521.

It can be written as a sum of positive squares in 3 ways, for example, as 13194197956 + 111832054569 = 114866^2 + 334413^2 .

It is not a de Polignac number, because 125026252525 - 2¹¹ = 125026250477 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, 2500525026 + ... + 2500525075.

Almost surely, 2^125026252525 is an apocalyptic number.

It is an amenable number.

125026252525 is a deficient number, since it is larger than the sum of its proper divisors (30006300637).

125026252525 is an equidigital number, since it uses as much as digits as its factorization.

125026252525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001050111 (or 5001050106 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 125026252525 in words is "one hundred twenty-five billion, twenty-six million, two hundred fifty-two thousand, five hundred twenty-five".