51022111163 has 2 divisors, whose sum is σ = 51022111164. Its totient is φ = 51022111162.

The previous prime is 51022111141. The next prime is 51022111193. The reversal of 51022111163 is 36111122015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51022111163 - 2⁶ = 51022111099 is a prime.

It is not a weakly prime, because it can be changed into another prime (51022111103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511055581 + 25511055582.

It is an arithmetic number, because the mean of its divisors is an integer number (25511055582).

Almost surely, 2^51022111163 is an apocalyptic number.

51022111163 is a deficient number, since it is larger than the sum of its proper divisors (1).

51022111163 is an equidigital number, since it uses as much as digits as its factorization.

51022111163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 51022111163 its reverse (36111122015), we get a palindrome (87133233178).

The spelling of 51022111163 in words is "fifty-one billion, twenty-two million, one hundred eleven thousand, one hundred sixty-three".