12591316295 has 4 divisors (see below), whose sum is σ = 15109579560. Its totient is φ = 10073053032.

The previous prime is 12591316291. The next prime is 12591316307. The reversal of 12591316295 is 59261319521.

12591316295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12591316295 - 2² = 12591316291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12591316291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259131625 + ... + 1259131634.

It is an arithmetic number, because the mean of its divisors is an integer number (3777394890).

Almost surely, 2^12591316295 is an apocalyptic number.

12591316295 is a deficient number, since it is larger than the sum of its proper divisors (2518263265).

12591316295 is an equidigital number, since it uses as much as digits as its factorization.

12591316295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518263264.

The product of its digits is 145800, while the sum is 44.

The spelling of 12591316295 in words is "twelve billion, five hundred ninety-one million, three hundred sixteen thousand, two hundred ninety-five".