12165534763 has 2 divisors, whose sum is σ = 12165534764. Its totient is φ = 12165534762.

The previous prime is 12165534683. The next prime is 12165534779. The reversal of 12165534763 is 36743556121.

It is a strong prime.

It is an emirp because it is prime and its reverse (36743556121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12165534763 is a prime.

It is a super-2 number, since 2×12165534763² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12165534863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082767381 + 6082767382.

It is an arithmetic number, because the mean of its divisors is an integer number (6082767382).

Almost surely, 2^12165534763 is an apocalyptic number.

12165534763 is a deficient number, since it is larger than the sum of its proper divisors (1).

12165534763 is an equidigital number, since it uses as much as digits as its factorization.

12165534763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The spelling of 12165534763 in words is "twelve billion, one hundred sixty-five million, five hundred thirty-four thousand, seven hundred sixty-three".