12864611359 has 4 divisors (see below), whose sum is σ = 12865106520. Its totient is φ = 12864116200.

The previous prime is 12864611293. The next prime is 12864611393. The reversal of 12864611359 is 95311646821.

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 12864611359 - 2¹¹ = 12864609311 is a prime.

It is a super-2 number, since 2×12864611359² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12864611159) 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, 206317 + ... + 261334.

It is an arithmetic number, because the mean of its divisors is an integer number (3216276630).

Almost surely, 2^12864611359 is an apocalyptic number.

12864611359 is a deficient number, since it is larger than the sum of its proper divisors (495161).

12864611359 is an equidigital number, since it uses as much as digits as its factorization.

12864611359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495160.

The product of its digits is 311040, while the sum is 46.

The spelling of 12864611359 in words is "twelve billion, eight hundred sixty-four million, six hundred eleven thousand, three hundred fifty-nine".