50990011211 has 2 divisors, whose sum is σ = 50990011212. Its totient is φ = 50990011210.

The previous prime is 50990011147. The next prime is 50990011213. The reversal of 50990011211 is 11211009905.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50990011211 - 2⁶ = 50990011147 is a prime.

It is a Sophie Germain prime.

Together with 50990011213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50990011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25495005605 + 25495005606.

It is an arithmetic number, because the mean of its divisors is an integer number (25495005606).

Almost surely, 2^50990011211 is an apocalyptic number.

50990011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

50990011211 is an equidigital number, since it uses as much as digits as its factorization.

50990011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 29.

The spelling of 50990011211 in words is "fifty billion, nine hundred ninety million, eleven thousand, two hundred eleven".