125039015125 has 16 divisors (see below), whose sum is σ = 156520188864. Its totient is φ = 99728970000.

The previous prime is 125039015107. The next prime is 125039015147. The reversal of 125039015125 is 521510930521.

It is a happy number.

It is not a de Polignac number, because 125039015125 - 2⁵ = 125039015093 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1469671 + ... + 1552420.

It is an arithmetic number, because the mean of its divisors is an integer number (9782511804).

Almost surely, 2^125039015125 is an apocalyptic number.

It is an amenable number.

125039015125 is a deficient number, since it is larger than the sum of its proper divisors (31481173739).

125039015125 is an equidigital number, since it uses as much as digits as its factorization.

125039015125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022437 (or 3022427 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 34.

Adding to 125039015125 its reverse (521510930521), we get a palindrome (646549945646).

The spelling of 125039015125 in words is "one hundred twenty-five billion, thirty-nine million, fifteen thousand, one hundred twenty-five".