12256363065563 has 4 divisors (see below), whose sum is σ = 12256370624760. Its totient is φ = 12256355506368.

The previous prime is 12256363065547. The next prime is 12256363065581. The reversal of 12256363065563 is 36556036365221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12256363065563 - 2⁴ = 12256363065547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12256363068563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246845 + ... + 4957182.

It is an arithmetic number, because the mean of its divisors is an integer number (3064092656190).

Almost surely, 2^{12256363065563} is an apocalyptic number.

12256363065563 is a deficient number, since it is larger than the sum of its proper divisors (7559197).

12256363065563 is an equidigital number, since it uses as much as digits as its factorization.

12256363065563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559196.

The product of its (nonzero) digits is 17496000, while the sum is 53.

The spelling of 12256363065563 in words is "twelve trillion, two hundred fifty-six billion, three hundred sixty-three million, sixty-five thousand, five hundred sixty-three".