15315683079 has 4 divisors (see below), whose sum is σ = 20420910776. Its totient is φ = 10210455384.

The previous prime is 15315683063. The next prime is 15315683081. The reversal of 15315683079 is 97038651351.

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

It is not a de Polignac number, because 15315683079 - 2⁴ = 15315683063 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 (15315633079) 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, 2552613844 + ... + 2552613849.

It is an arithmetic number, because the mean of its divisors is an integer number (5105227694).

Almost surely, 2^15315683079 is an apocalyptic number.

15315683079 is a deficient number, since it is larger than the sum of its proper divisors (5105227697).

15315683079 is an equidigital number, since it uses as much as digits as its factorization.

15315683079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105227696.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 15315683079 in words is "fifteen billion, three hundred fifteen million, six hundred eighty-three thousand, seventy-nine".