50840111911 has 2 divisors, whose sum is σ = 50840111912. Its totient is φ = 50840111910.

The previous prime is 50840111909. The next prime is 50840111953. The reversal of 50840111911 is 11911104805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50840111911 - 2¹ = 50840111909 is a prime.

Together with 50840111909, 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 (50840114911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25420055955 + 25420055956.

It is an arithmetic number, because the mean of its divisors is an integer number (25420055956).

Almost surely, 2^50840111911 is an apocalyptic number.

50840111911 is a deficient number, since it is larger than the sum of its proper divisors (1).

50840111911 is an equidigital number, since it uses as much as digits as its factorization.

50840111911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 31.

The spelling of 50840111911 in words is "fifty billion, eight hundred forty million, one hundred eleven thousand, nine hundred eleven".