50111221183 has 2 divisors, whose sum is σ = 50111221184. Its totient is φ = 50111221182.

The previous prime is 50111221159. The next prime is 50111221207. The reversal of 50111221183 is 38112211105.

It is a balanced prime because it is at equal distance from previous prime (50111221159) and next prime (50111221207).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50111221183 is a prime.

It is a super-2 number, since 2×50111221183² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50111221103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055610591 + 25055610592.

It is an arithmetic number, because the mean of its divisors is an integer number (25055610592).

Almost surely, 2^50111221183 is an apocalyptic number.

50111221183 is a deficient number, since it is larger than the sum of its proper divisors (1).

50111221183 is an equidigital number, since it uses as much as digits as its factorization.

50111221183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 25.

Adding to 50111221183 its reverse (38112211105), we get a palindrome (88223432288).

The spelling of 50111221183 in words is "fifty billion, one hundred eleven million, two hundred twenty-one thousand, one hundred eighty-three".