51122765828333 has 2 divisors, whose sum is σ = 51122765828334. Its totient is φ = 51122765828332.

The previous prime is 51122765828293. The next prime is 51122765828341. The reversal of 51122765828333 is 33382856722115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50989910681284 + 132855147049 = 7140722^2 + 364493^2 .

It is a cyclic number.

It is not a de Polignac number, because 51122765828333 - 2²² = 51122761634029 is a prime.

It is a super-2 number, since 2×51122765828333² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51122765828833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25561382914166 + 25561382914167.

It is an arithmetic number, because the mean of its divisors is an integer number (25561382914167).

Almost surely, 2^{51122765828333} is an apocalyptic number.

It is an amenable number.

51122765828333 is a deficient number, since it is larger than the sum of its proper divisors (1).

51122765828333 is an equidigital number, since it uses as much as digits as its factorization.

51122765828333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 56.

The spelling of 51122765828333 in words is "fifty-one trillion, one hundred twenty-two billion, seven hundred sixty-five million, eight hundred twenty-eight thousand, three hundred thirty-three".