15822085879913 has 8 divisors (see below), whose sum is σ = 15976268151168. Its totient is φ = 15667914566304.

The previous prime is 15822085879877. The next prime is 15822085879933. The reversal of 15822085879913 is 31997858022851.

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

It is a cyclic number.

It is not a de Polignac number, because 15822085879913 - 2⁸ = 15822085879657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15822085879933) 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, 177581 + ... + 5628117.

It is an arithmetic number, because the mean of its divisors is an integer number (1997033518896).

Almost surely, 2^{15822085879913} is an apocalyptic number.

It is an amenable number.

15822085879913 is a deficient number, since it is larger than the sum of its proper divisors (154182271255).

15822085879913 is a wasteful number, since it uses less digits than its factorization.

15822085879913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478823.

The product of its (nonzero) digits is 87091200, while the sum is 68.

The spelling of 15822085879913 in words is "fifteen trillion, eight hundred twenty-two billion, eighty-five million, eight hundred seventy-nine thousand, nine hundred thirteen".