125444124540525 has 48 divisors (see below), whose sum is σ = 239473264924544. Its totient is φ = 56754690785280.

The previous prime is 125444124540517. The next prime is 125444124540529. The reversal of 125444124540525 is 525045421444521.

It is not a de Polignac number, because 125444124540525 - 2³ = 125444124540517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125444124540529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1231604692 + ... + 1231706541.

Almost surely, 2^{125444124540525} is an apocalyptic number.

125444124540525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125444124540525 is a deficient number, since it is larger than the sum of its proper divisors (114029140384019).

125444124540525 is a wasteful number, since it uses less digits than its factorization.

125444124540525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463311350 (or 2463311345 counting only the distinct ones).

The product of its (nonzero) digits is 5120000, while the sum is 48.

The spelling of 125444124540525 in words is "one hundred twenty-five trillion, four hundred forty-four billion, one hundred twenty-four million, five hundred forty thousand, five hundred twenty-five".