12186545773679 has 2 divisors, whose sum is σ = 12186545773680. Its totient is φ = 12186545773678.

The previous prime is 12186545773561. The next prime is 12186545773687. The reversal of 12186545773679 is 97637754568121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12186545773679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12186545773279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6093272886839 + 6093272886840.

It is an arithmetic number, because the mean of its divisors is an integer number (6093272886840).

Almost surely, 2^{12186545773679} is an apocalyptic number.

12186545773679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12186545773679 is an equidigital number, since it uses as much as digits as its factorization.

12186545773679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 533433600, while the sum is 71.

The spelling of 12186545773679 in words is "twelve trillion, one hundred eighty-six billion, five hundred forty-five million, seven hundred seventy-three thousand, six hundred seventy-nine".