51116314273 has 2 divisors, whose sum is σ = 51116314274. Its totient is φ = 51116314272.

The previous prime is 51116314231. The next prime is 51116314303. The reversal of 51116314273 is 37241361115.

51116314273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32509171809 + 18607142464 = 180303^2 + 136408^2 .

It is a cyclic number.

It is not a de Polignac number, because 51116314273 - 2²⁹ = 50579443361 is a prime.

It is a super-2 number, since 2×51116314273² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51116384273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25558157136 + 25558157137.

It is an arithmetic number, because the mean of its divisors is an integer number (25558157137).

Almost surely, 2^51116314273 is an apocalyptic number.

It is an amenable number.

51116314273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51116314273 is an equidigital number, since it uses as much as digits as its factorization.

51116314273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

Adding to 51116314273 its reverse (37241361115), we get a palindrome (88357675388).

The spelling of 51116314273 in words is "fifty-one billion, one hundred sixteen million, three hundred fourteen thousand, two hundred seventy-three".