12311144011 has 2 divisors, whose sum is σ = 12311144012. Its totient is φ = 12311144010.

The previous prime is 12311143991. The next prime is 12311144077. The reversal of 12311144011 is 11044111321.

It is a weak prime.

It is an emirp because it is prime and its reverse (11044111321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12311144011 - 2⁵ = 12311143979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12311144011.

It is not a weakly prime, because it can be changed into another prime (12311124011) 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 as a sum of consecutive naturals, namely, 6155572005 + 6155572006.

It is an arithmetic number, because the mean of its divisors is an integer number (6155572006).

Almost surely, 2^12311144011 is an apocalyptic number.

12311144011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311144011 is an equidigital number, since it uses as much as digits as its factorization.

12311144011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12311144011 its reverse (11044111321), we get a palindrome (23355255332).

The spelling of 12311144011 in words is "twelve billion, three hundred eleven million, one hundred forty-four thousand, eleven".