15779158573349 has 16 divisors (see below), whose sum is σ = 15904662149376. Its totient is φ = 15654196320000.

The previous prime is 15779158573261. The next prime is 15779158573391. The reversal of 15779158573349 is 94337585197751.

It is a cyclic number.

It is not a de Polignac number, because 15779158573349 - 2⁴⁰ = 14679646945573 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 (15779158572349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184536884 + ... + 184622370.

It is an arithmetic number, because the mean of its divisors is an integer number (994041384336).

Almost surely, 2^{15779158573349} is an apocalyptic number.

It is an amenable number.

15779158573349 is a deficient number, since it is larger than the sum of its proper divisors (125503576027).

15779158573349 is a wasteful number, since it uses less digits than its factorization.

15779158573349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88636.

The product of its digits is 1000188000, while the sum is 74.

The spelling of 15779158573349 in words is "fifteen trillion, seven hundred seventy-nine billion, one hundred fifty-eight million, five hundred seventy-three thousand, three hundred forty-nine".