73115285125 has 16 divisors (see below), whose sum is σ = 96615400752. Its totient is φ = 55051507200.

The previous prime is 73115285123. The next prime is 73115285137. The reversal of 73115285125 is 52158251137.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 24430627809 + 48684657316 = 156303^2 + 220646^2 .

It is not a de Polignac number, because 73115285125 - 2¹ = 73115285123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73115285123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17201472 + ... + 17205721.

It is an arithmetic number, because the mean of its divisors is an integer number (6038462547).

Almost surely, 2^73115285125 is an apocalyptic number.

It is an amenable number.

73115285125 is a deficient number, since it is larger than the sum of its proper divisors (23500115627).

73115285125 is a wasteful number, since it uses less digits than its factorization.

73115285125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34407225 (or 34407215 counting only the distinct ones).

The product of its digits is 84000, while the sum is 40.

The spelling of 73115285125 in words is "seventy-three billion, one hundred fifteen million, two hundred eighty-five thousand, one hundred twenty-five".