11944059839 has 2 divisors, whose sum is σ = 11944059840. Its totient is φ = 11944059838.

The previous prime is 11944059797. The next prime is 11944059847. The reversal of 11944059839 is 93895044911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11944059839 - 2⁸ = 11944059583 is a prime.

It is a super-2 number, since 2×11944059839² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11944059859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5972029919 + 5972029920.

It is an arithmetic number, because the mean of its divisors is an integer number (5972029920).

Almost surely, 2^11944059839 is an apocalyptic number.

11944059839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11944059839 is an equidigital number, since it uses as much as digits as its factorization.

11944059839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 11944059839 in words is "eleven billion, nine hundred forty-four million, fifty-nine thousand, eight hundred thirty-nine".