50571789311 has 2 divisors, whose sum is σ = 50571789312. Its totient is φ = 50571789310.

The previous prime is 50571789293. The next prime is 50571789313. The reversal of 50571789311 is 11398717505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50571789311 is a prime.

Together with 50571789313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50571789313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25285894655 + 25285894656.

It is an arithmetic number, because the mean of its divisors is an integer number (25285894656).

Almost surely, 2^50571789311 is an apocalyptic number.

50571789311 is a deficient number, since it is larger than the sum of its proper divisors (1).

50571789311 is an equidigital number, since it uses as much as digits as its factorization.

50571789311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 47.

The spelling of 50571789311 in words is "fifty billion, five hundred seventy-one million, seven hundred eighty-nine thousand, three hundred eleven".