15795220813 has 8 divisors (see below), whose sum is σ = 16761326400. Its totient is φ = 14852395008.

The previous prime is 15795220807. The next prime is 15795220853. The reversal of 15795220813 is 31802259751.

It is a happy number.

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 15795220813 - 2¹³ = 15795212621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15795220813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15795220853) 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, 5818548 + ... + 5821261.

It is an arithmetic number, because the mean of its divisors is an integer number (2095165800).

Almost surely, 2^15795220813 is an apocalyptic number.

It is an amenable number.

15795220813 is a deficient number, since it is larger than the sum of its proper divisors (966105587).

15795220813 is a wasteful number, since it uses less digits than its factorization.

15795220813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639891.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 15795220813 in words is "fifteen billion, seven hundred ninety-five million, two hundred twenty thousand, eight hundred thirteen".