12533442255 has 40 divisors (see below), whose sum is σ = 22475653200. Its totient is φ = 6682034304.

The previous prime is 12533442241. The next prime is 12533442263. The reversal of 12533442255 is 55224433521.

12533442255 is a `hidden beast` number, since 12 + 53 + 344 + 2 + 255 = 666.

It is not a de Polignac number, because 12533442255 - 2¹⁰ = 12533441231 is a prime.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 1782136 + ... + 1789154.

It is an arithmetic number, because the mean of its divisors is an integer number (561891330).

Almost surely, 2^12533442255 is an apocalyptic number.

12533442255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12533442255 is a deficient number, since it is larger than the sum of its proper divisors (9942210945).

12533442255 is an equidigital number, since it uses as much as digits as its factorization.

12533442255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445 (or 11436 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 12533442255 its reverse (55224433521), we get a palindrome (67757875776).

The spelling of 12533442255 in words is "twelve billion, five hundred thirty-three million, four hundred forty-two thousand, two hundred fifty-five".