15728585731743 has 4 divisors (see below), whose sum is σ = 20971447642328. Its totient is φ = 10485723821160.

The previous prime is 15728585731721. The next prime is 15728585731751. The reversal of 15728585731743 is 34713758582751.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15728585731743 - 2¹³ = 15728585723551 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 (15728585731763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2621430955288 + ... + 2621430955293.

It is an arithmetic number, because the mean of its divisors is an integer number (5242861910582).

Almost surely, 2^{15728585731743} is an apocalyptic number.

15728585731743 is a deficient number, since it is larger than the sum of its proper divisors (5242861910585).

15728585731743 is an equidigital number, since it uses as much as digits as its factorization.

15728585731743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242861910584.

The product of its digits is 197568000, while the sum is 66.

The spelling of 15728585731743 in words is "fifteen trillion, seven hundred twenty-eight billion, five hundred eighty-five million, seven hundred thirty-one thousand, seven hundred forty-three".