50520400111 has 2 divisors, whose sum is σ = 50520400112. Its totient is φ = 50520400110.

The previous prime is 50520400109. The next prime is 50520400123. The reversal of 50520400111 is 11100402505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50520400111 - 2¹ = 50520400109 is a prime.

Together with 50520400109, 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 (50520404111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25260200055 + 25260200056.

It is an arithmetic number, because the mean of its divisors is an integer number (25260200056).

Almost surely, 2^50520400111 is an apocalyptic number.

50520400111 is a deficient number, since it is larger than the sum of its proper divisors (1).

50520400111 is an equidigital number, since it uses as much as digits as its factorization.

50520400111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 50520400111 its reverse (11100402505), we get a palindrome (61620802616).

The spelling of 50520400111 in words is "fifty billion, five hundred twenty million, four hundred thousand, one hundred eleven".