125444011525 has 12 divisors (see below), whose sum is σ = 177772085152. Its totient is φ = 86018750640.

The previous prime is 125444011477. The next prime is 125444011529. The reversal of 125444011525 is 525110444521.

It is not a de Polignac number, because 125444011525 - 2¹⁵ = 125443978757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125444011529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358411287 + ... + 358411636.

Almost surely, 2^125444011525 is an apocalyptic number.

It is an amenable number.

125444011525 is a deficient number, since it is larger than the sum of its proper divisors (52328073627).

125444011525 is an equidigital number, since it uses as much as digits as its factorization.

125444011525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716822940 (or 716822935 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 125444011525 in words is "one hundred twenty-five billion, four hundred forty-four million, eleven thousand, five hundred twenty-five".