12311715605522 has 16 divisors (see below), whose sum is σ = 18497637446400. Its totient is φ = 6145843616640.

The previous prime is 12311715605477. The next prime is 12311715605659. The reversal of 12311715605522 is 22550651711321.

12311715605522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12311715605522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653179 + ... + 5230337.

It is an arithmetic number, because the mean of its divisors is an integer number (1156102340400).

Almost surely, 2^{12311715605522} is an apocalyptic number.

12311715605522 is a deficient number, since it is larger than the sum of its proper divisors (6185921840878).

12311715605522 is a wasteful number, since it uses less digits than its factorization.

12311715605522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579961.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 12311715605522 in words is "twelve trillion, three hundred eleven billion, seven hundred fifteen million, six hundred five thousand, five hundred twenty-two".