51110680097 has 2 divisors, whose sum is σ = 51110680098. Its totient is φ = 51110680096.

The previous prime is 51110680091. The next prime is 51110680099. The reversal of 51110680097 is 79008601115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36204956176 + 14905723921 = 190276^2 + 122089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51110680097 is a prime.

It is a super-2 number, since 2×51110680097² (a number of 22 digits) contains 22 as substring.

Together with 51110680099, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51110680097.

It is not a weakly prime, because it can be changed into another prime (51110680091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555340048 + 25555340049.

It is an arithmetic number, because the mean of its divisors is an integer number (25555340049).

Almost surely, 2^51110680097 is an apocalyptic number.

It is an amenable number.

51110680097 is a deficient number, since it is larger than the sum of its proper divisors (1).

51110680097 is an equidigital number, since it uses as much as digits as its factorization.

51110680097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 38.

The spelling of 51110680097 in words is "fifty-one billion, one hundred ten million, six hundred eighty thousand, ninety-seven".