12311578357 has 16 divisors (see below), whose sum is σ = 13648787712. Its totient is φ = 11031543360.

The previous prime is 12311578351. The next prime is 12311578369. The reversal of 12311578357 is 75387511321.

It is a cyclic number.

It is not a de Polignac number, because 12311578357 - 2⁷ = 12311578229 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 (12311578351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177618 + ... + 237004.

It is an arithmetic number, because the mean of its divisors is an integer number (853049232).

Almost surely, 2^12311578357 is an apocalyptic number.

It is an amenable number.

12311578357 is a deficient number, since it is larger than the sum of its proper divisors (1337209355).

12311578357 is a wasteful number, since it uses less digits than its factorization.

12311578357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59868.

The product of its digits is 176400, while the sum is 43.

The spelling of 12311578357 in words is "twelve billion, three hundred eleven million, five hundred seventy-eight thousand, three hundred fifty-seven".