12256324463563 has 4 divisors (see below), whose sum is σ = 12256341985888. Its totient is φ = 12256306941240.

The previous prime is 12256324463561. The next prime is 12256324463671. The reversal of 12256324463563 is 36536442365221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12256324463563 - 2¹ = 12256324463561 is a prime.

It is a super-2 number, since 2×12256324463563² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12256324463563.

It is not an unprimeable number, because it can be changed into a prime (12256324463561) 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, 7666356 + ... + 9126097.

It is an arithmetic number, because the mean of its divisors is an integer number (3064085496472).

Almost surely, 2^{12256324463563} is an apocalyptic number.

12256324463563 is a deficient number, since it is larger than the sum of its proper divisors (17522325).

12256324463563 is an equidigital number, since it uses as much as digits as its factorization.

12256324463563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17522324.

The product of its digits is 18662400, while the sum is 52.

The spelling of 12256324463563 in words is "twelve trillion, two hundred fifty-six billion, three hundred twenty-four million, four hundred sixty-three thousand, five hundred sixty-three".