50561211143 has 2 divisors, whose sum is σ = 50561211144. Its totient is φ = 50561211142.

The previous prime is 50561211133. The next prime is 50561211209. The reversal of 50561211143 is 34111216505.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50561211143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50561211133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280605571 + 25280605572.

It is an arithmetic number, because the mean of its divisors is an integer number (25280605572).

Almost surely, 2^50561211143 is an apocalyptic number.

50561211143 is a deficient number, since it is larger than the sum of its proper divisors (1).

50561211143 is an equidigital number, since it uses as much as digits as its factorization.

50561211143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 50561211143 its reverse (34111216505), we get a palindrome (84672427648).

The spelling of 50561211143 in words is "fifty billion, five hundred sixty-one million, two hundred eleven thousand, one hundred forty-three".