125715728473 has 16 divisors (see below), whose sum is σ = 129085488000. Its totient is φ = 122391861760.

The previous prime is 125715728461. The next prime is 125715728513. The reversal of 125715728473 is 374827517521.

It is a cyclic number.

It is not a de Polignac number, because 125715728473 - 2⁹ = 125715727961 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 125715728473.

It is not an unprimeable number, because it can be changed into a prime (125715728423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16431753 + ... + 16439401.

It is an arithmetic number, because the mean of its divisors is an integer number (8067843000).

Almost surely, 2^125715728473 is an apocalyptic number.

It is an amenable number.

125715728473 is a deficient number, since it is larger than the sum of its proper divisors (3369759527).

125715728473 is an equidigital number, since it uses as much as digits as its factorization.

125715728473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592.

The product of its digits is 3292800, while the sum is 52.

The spelling of 125715728473 in words is "one hundred twenty-five billion, seven hundred fifteen million, seven hundred twenty-eight thousand, four hundred seventy-three".