125623525499 has 16 divisors (see below), whose sum is σ = 139013133120. Its totient is φ = 112916643840.

The previous prime is 125623525493. The next prime is 125623525513. The reversal of 125623525499 is 994525326521.

It is not a de Polignac number, because 125623525499 - 2²⁸ = 125355090043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125623525499.

It is not an unprimeable number, because it can be changed into a prime (125623525493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17 + ... + 501245.

It is an arithmetic number, because the mean of its divisors is an integer number (8688320820).

Almost surely, 2^125623525499 is an apocalyptic number.

125623525499 is a deficient number, since it is larger than the sum of its proper divisors (13389607621).

125623525499 is a wasteful number, since it uses less digits than its factorization.

125623525499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501910.

The product of its digits is 5832000, while the sum is 53.

The spelling of 125623525499 in words is "one hundred twenty-five billion, six hundred twenty-three million, five hundred twenty-five thousand, four hundred ninety-nine".