125423025513 has 16 divisors (see below), whose sum is σ = 168534681600. Its totient is φ = 82964653200.

The previous prime is 125423025467. The next prime is 125423025523. The reversal of 125423025513 is 315520324521.

It is not a de Polignac number, because 125423025513 - 2⁶ = 125423025449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125423025523) by changing a digit.

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, 227968 + ... + 550286.

It is an arithmetic number, because the mean of its divisors is an integer number (10533417600).

Almost surely, 2^125423025513 is an apocalyptic number.

It is an amenable number.

125423025513 is a deficient number, since it is larger than the sum of its proper divisors (43111656087).

125423025513 is a wasteful number, since it uses less digits than its factorization.

125423025513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323332.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 125423025513 in words is "one hundred twenty-five billion, four hundred twenty-three million, twenty-five thousand, five hundred thirteen".