50543431511 has 2 divisors, whose sum is σ = 50543431512. Its totient is φ = 50543431510.

The previous prime is 50543431501. The next prime is 50543431517. The reversal of 50543431511 is 11513434505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50543431511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50543431517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25271715755 + 25271715756.

It is an arithmetic number, because the mean of its divisors is an integer number (25271715756).

Almost surely, 2^50543431511 is an apocalyptic number.

50543431511 is a deficient number, since it is larger than the sum of its proper divisors (1).

50543431511 is an equidigital number, since it uses as much as digits as its factorization.

50543431511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 50543431511 in words is "fifty billion, five hundred forty-three million, four hundred thirty-one thousand, five hundred eleven".