12251333563 has 4 divisors (see below), whose sum is σ = 14001524080. Its totient is φ = 10501143048.

The previous prime is 12251333527. The next prime is 12251333581. The reversal of 12251333563 is 36533315221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36533315221 = 13 ⋅2810255017.

It is a cyclic number.

It is not a de Polignac number, because 12251333563 - 2¹³ = 12251325371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12251343563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875095248 + ... + 875095261.

It is an arithmetic number, because the mean of its divisors is an integer number (3500381020).

Almost surely, 2^12251333563 is an apocalyptic number.

12251333563 is a deficient number, since it is larger than the sum of its proper divisors (1750190517).

12251333563 is an equidigital number, since it uses as much as digits as its factorization.

12251333563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750190516.

The product of its digits is 48600, while the sum is 34.

Adding to 12251333563 its reverse (36533315221), we get a palindrome (48784648784).

The spelling of 12251333563 in words is "twelve billion, two hundred fifty-one million, three hundred thirty-three thousand, five hundred sixty-three".