12604409911 has 2 divisors, whose sum is σ = 12604409912. Its totient is φ = 12604409910.

The previous prime is 12604409903. The next prime is 12604409921. The reversal of 12604409911 is 11990440621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12604409911 - 2³ = 12604409903 is a prime.

It is a super-2 number, since 2×12604409911² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12604409921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302204955 + 6302204956.

It is an arithmetic number, because the mean of its divisors is an integer number (6302204956).

Almost surely, 2^12604409911 is an apocalyptic number.

12604409911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604409911 is an equidigital number, since it uses as much as digits as its factorization.

12604409911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 12604409911 in words is "twelve billion, six hundred four million, four hundred nine thousand, nine hundred eleven".