15728715728573 has 32 divisors (see below), whose sum is σ = 17095327603200. Its totient is φ = 14413359098880.

The previous prime is 15728715728519. The next prime is 15728715728587. The reversal of 15728715728573 is 37582751782751.

It is a cyclic number.

It is not a de Polignac number, because 15728715728573 - 2¹⁴ = 15728715712189 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 (15728715758573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060522268 + ... + 1060537098.

It is an arithmetic number, because the mean of its divisors is an integer number (534228987600).

Almost surely, 2^{15728715728573} is an apocalyptic number.

It is an amenable number.

15728715728573 is a deficient number, since it is larger than the sum of its proper divisors (1366611874627).

15728715728573 is a wasteful number, since it uses less digits than its factorization.

15728715728573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19397.

The product of its digits is 230496000, while the sum is 68.

The spelling of 15728715728573 in words is "fifteen trillion, seven hundred twenty-eight billion, seven hundred fifteen million, seven hundred twenty-eight thousand, five hundred seventy-three".