12159368513 has 4 divisors (see below), whose sum is σ = 12164772528. Its totient is φ = 12153964500.

The previous prime is 12159368479. The next prime is 12159368527. The reversal of 12159368513 is 31586395121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12159368513 - 2¹⁸ = 12159106369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12159364513) 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, 2698631 + ... + 2703132.

It is an arithmetic number, because the mean of its divisors is an integer number (3041193132).

Almost surely, 2^12159368513 is an apocalyptic number.

It is an amenable number.

12159368513 is a deficient number, since it is larger than the sum of its proper divisors (5404015).

12159368513 is an equidigital number, since it uses as much as digits as its factorization.

12159368513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404014.

The product of its digits is 194400, while the sum is 44.

The spelling of 12159368513 in words is "twelve billion, one hundred fifty-nine million, three hundred sixty-eight thousand, five hundred thirteen".