12533223511 has 2 divisors, whose sum is σ = 12533223512. Its totient is φ = 12533223510.

The previous prime is 12533223491. The next prime is 12533223533. The reversal of 12533223511 is 11532233521.

12533223511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12533223511 - 2²¹ = 12531126359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12533223511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12533221511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266611755 + 6266611756.

It is an arithmetic number, because the mean of its divisors is an integer number (6266611756).

Almost surely, 2^12533223511 is an apocalyptic number.

12533223511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533223511 is an equidigital number, since it uses as much as digits as its factorization.

12533223511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The spelling of 12533223511 in words is "twelve billion, five hundred thirty-three million, two hundred twenty-three thousand, five hundred eleven".