12263605553 has 4 divisors (see below), whose sum is σ = 12353121060. Its totient is φ = 12174090048.

The previous prime is 12263605513. The next prime is 12263605561. The reversal of 12263605553 is 35550636221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35550636221 = 99721 ⋅356501.

It can be written as a sum of positive squares in 2 ways, for example, as 9516587809 + 2747017744 = 97553^2 + 52412^2 .

It is a cyclic number.

It is not a de Polignac number, because 12263605553 - 2¹⁸ = 12263343409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12263605513) 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, 44757548 + ... + 44757821.

It is an arithmetic number, because the mean of its divisors is an integer number (3088280265).

Almost surely, 2^12263605553 is an apocalyptic number.

It is an amenable number.

12263605553 is a deficient number, since it is larger than the sum of its proper divisors (89515507).

12263605553 is an equidigital number, since it uses as much as digits as its factorization.

12263605553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89515506.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 12263605553 in words is "twelve billion, two hundred sixty-three million, six hundred five thousand, five hundred fifty-three".