15728873171743 has 8 divisors (see below), whose sum is σ = 15733545423840. Its totient is φ = 15724201190880.

The previous prime is 15728873171719. The next prime is 15728873171749. The reversal of 15728873171743 is 34717137882751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15728873171743 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 (15728873171749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199087893 + ... + 199166881.

It is an arithmetic number, because the mean of its divisors is an integer number (1966693177980).

Almost surely, 2^{15728873171743} is an apocalyptic number.

15728873171743 is a deficient number, since it is larger than the sum of its proper divisors (4672252097).

15728873171743 is an equidigital number, since it uses as much as digits as its factorization.

15728873171743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135617.

The product of its digits is 55319040, while the sum is 64.

The spelling of 15728873171743 in words is "fifteen trillion, seven hundred twenty-eight billion, eight hundred seventy-three million, one hundred seventy-one thousand, seven hundred forty-three".