11938205899 has 2 divisors, whose sum is σ = 11938205900. Its totient is φ = 11938205898.

The previous prime is 11938205897. The next prime is 11938205963. The reversal of 11938205899 is 99850283911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11938205899 - 2¹ = 11938205897 is a prime.

Together with 11938205897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11938205897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5969102949 + 5969102950.

It is an arithmetic number, because the mean of its divisors is an integer number (5969102950).

Almost surely, 2^11938205899 is an apocalyptic number.

11938205899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11938205899 is an equidigital number, since it uses as much as digits as its factorization.

11938205899 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 55.

The spelling of 11938205899 in words is "eleven billion, nine hundred thirty-eight million, two hundred five thousand, eight hundred ninety-nine".