51468511121 has 2 divisors, whose sum is σ = 51468511122. Its totient is φ = 51468511120.

The previous prime is 51468511013. The next prime is 51468511151. The reversal of 51468511121 is 12111586415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35984193025 + 15484318096 = 189695^2 + 124436^2 .

It is a cyclic number.

It is not a de Polignac number, because 51468511121 - 2²⁶ = 51401402257 is a prime.

It is not a weakly prime, because it can be changed into another prime (51468511151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25734255560 + 25734255561.

It is an arithmetic number, because the mean of its divisors is an integer number (25734255561).

Almost surely, 2^51468511121 is an apocalyptic number.

It is an amenable number.

51468511121 is a deficient number, since it is larger than the sum of its proper divisors (1).

51468511121 is an equidigital number, since it uses as much as digits as its factorization.

51468511121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 35.

The spelling of 51468511121 in words is "fifty-one billion, four hundred sixty-eight million, five hundred eleven thousand, one hundred twenty-one".