12631104011 has 2 divisors, whose sum is σ = 12631104012. Its totient is φ = 12631104010.

The previous prime is 12631103869. The next prime is 12631104029. The reversal of 12631104011 is 11040113621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12631104011 is a prime.

It is not a weakly prime, because it can be changed into another prime (12631104611) 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, 6315552005 + 6315552006.

It is an arithmetic number, because the mean of its divisors is an integer number (6315552006).

Almost surely, 2^12631104011 is an apocalyptic number.

12631104011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631104011 is an equidigital number, since it uses as much as digits as its factorization.

12631104011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12631104011 its reverse (11040113621), we get a palindrome (23671217632).

The spelling of 12631104011 in words is "twelve billion, six hundred thirty-one million, one hundred four thousand, eleven".