11847939799 has 2 divisors, whose sum is σ = 11847939800. Its totient is φ = 11847939798.

The previous prime is 11847939797. The next prime is 11847939823. The reversal of 11847939799 is 99793974811.

11847939799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11847939799 - 2¹ = 11847939797 is a prime.

Together with 11847939797, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11847939797) 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, 5923969899 + 5923969900.

It is an arithmetic number, because the mean of its divisors is an integer number (5923969900).

Almost surely, 2^11847939799 is an apocalyptic number.

11847939799 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847939799 is an equidigital number, since it uses as much as digits as its factorization.

11847939799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30862944, while the sum is 67.

The spelling of 11847939799 in words is "eleven billion, eight hundred forty-seven million, nine hundred thirty-nine thousand, seven hundred ninety-nine".