12156253636363 has 2 divisors, whose sum is σ = 12156253636364. Its totient is φ = 12156253636362.

The previous prime is 12156253636327. The next prime is 12156253636367. The reversal of 12156253636363 is 36363635265121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12156253636363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12156253636363.

It is not a weakly prime, because it can be changed into another prime (12156253636367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078126818181 + 6078126818182.

It is an arithmetic number, because the mean of its divisors is an integer number (6078126818182).

Almost surely, 2^{12156253636363} is an apocalyptic number.

12156253636363 is a deficient number, since it is larger than the sum of its proper divisors (1).

12156253636363 is an equidigital number, since it uses as much as digits as its factorization.

12156253636363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 52.

The spelling of 12156253636363 in words is "twelve trillion, one hundred fifty-six billion, two hundred fifty-three million, six hundred thirty-six thousand, three hundred sixty-three".