12315243254166 has 24 divisors (see below), whose sum is σ = 26690054595984. Its totient is φ = 4103999923920.

The previous prime is 12315243254159. The next prime is 12315243254177. The reversal of 12315243254166 is 66145234251321.

12315243254166 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 5 + 2 + 43 + 2 + 541 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90026490 + ... + 90163181.

It is an arithmetic number, because the mean of its divisors is an integer number (1112085608166).

Almost surely, 2^{12315243254166} is an apocalyptic number.

12315243254166 is an abundant number, since it is smaller than the sum of its proper divisors (14374811341818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12315243254166 is a wasteful number, since it uses less digits than its factorization.

12315243254166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180193476 (or 180193473 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 12315243254166 in words is "twelve trillion, three hundred fifteen billion, two hundred forty-three million, two hundred fifty-four thousand, one hundred sixty-six".