12113440439 has 2 divisors, whose sum is σ = 12113440440. Its totient is φ = 12113440438.

The previous prime is 12113440403. The next prime is 12113440459. The reversal of 12113440439 is 93404431121.

12113440439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12113440439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12113440459) 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, 6056720219 + 6056720220.

It is an arithmetic number, because the mean of its divisors is an integer number (6056720220).

Almost surely, 2^12113440439 is an apocalyptic number.

12113440439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113440439 is an equidigital number, since it uses as much as digits as its factorization.

12113440439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 12113440439 in words is "twelve billion, one hundred thirteen million, four hundred forty thousand, four hundred thirty-nine".