12316503147561 has 16 divisors (see below), whose sum is σ = 18316050318720. Its totient is φ = 8179781553360.

The previous prime is 12316503147517. The next prime is 12316503147563. The reversal of 12316503147561 is 16574130561321.

12316503147561 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 6 + 50 + 31 + 4 + 7 + 561 = 666.

It is not a de Polignac number, because 12316503147561 - 2⁹ = 12316503147049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12316503147563) 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, 867230130 + ... + 867244331.

It is an arithmetic number, because the mean of its divisors is an integer number (1144753144920).

Almost surely, 2^{12316503147561} is an apocalyptic number.

It is an amenable number.

12316503147561 is a deficient number, since it is larger than the sum of its proper divisors (5999547171159).

12316503147561 is a wasteful number, since it uses less digits than its factorization.

12316503147561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734474733 (or 1734474727 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 12316503147561 in words is "twelve trillion, three hundred sixteen billion, five hundred three million, one hundred forty-seven thousand, five hundred sixty-one".