12641104163 has 2 divisors, whose sum is σ = 12641104164. Its totient is φ = 12641104162.

The previous prime is 12641104123. The next prime is 12641104207. The reversal of 12641104163 is 36140114621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12641104163 is a prime.

It is not a weakly prime, because it can be changed into another prime (12641104123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320552081 + 6320552082.

It is an arithmetic number, because the mean of its divisors is an integer number (6320552082).

Almost surely, 2^12641104163 is an apocalyptic number.

12641104163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641104163 is an equidigital number, since it uses as much as digits as its factorization.

12641104163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 12641104163 its reverse (36140114621), we get a palindrome (48781218784).

The spelling of 12641104163 in words is "twelve billion, six hundred forty-one million, one hundred four thousand, one hundred sixty-three".