125504111425 has 48 divisors (see below), whose sum is σ = 194533834752. Its totient is φ = 78031598400.

The previous prime is 125504111401. The next prime is 125504111441. The reversal of 125504111425 is 524111405521.

It is not a de Polignac number, because 125504111425 - 2²¹ = 125502014273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 652162 + ... + 822388.

It is an arithmetic number, because the mean of its divisors is an integer number (4052788224).

Almost surely, 2^125504111425 is an apocalyptic number.

It is an amenable number.

125504111425 is a deficient number, since it is larger than the sum of its proper divisors (69029723327).

125504111425 is a wasteful number, since it uses less digits than its factorization.

125504111425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170638 (or 170633 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 125504111425 its reverse (524111405521), we get a palindrome (649615516946).

The spelling of 125504111425 in words is "one hundred twenty-five billion, five hundred four million, one hundred eleven thousand, four hundred twenty-five".