51110560605529 has 2 divisors, whose sum is σ = 51110560605530. Its totient is φ = 51110560605528.

The previous prime is 51110560605509. The next prime is 51110560605557. The reversal of 51110560605529 is 92550606501115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35435256373504 + 15675304232025 = 5952752^2 + 3959205^2 .

It is a cyclic number.

It is not a de Polignac number, because 51110560605529 - 2¹¹ = 51110560603481 is a prime.

It is a super-2 number, since 2×51110560605529² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51110560605509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555280302764 + 25555280302765.

It is an arithmetic number, because the mean of its divisors is an integer number (25555280302765).

Almost surely, 2^{51110560605529} is an apocalyptic number.

It is an amenable number.

51110560605529 is a deficient number, since it is larger than the sum of its proper divisors (1).

51110560605529 is an equidigital number, since it uses as much as digits as its factorization.

51110560605529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405000, while the sum is 46.

The spelling of 51110560605529 in words is "fifty-one trillion, one hundred ten billion, five hundred sixty million, six hundred five thousand, five hundred twenty-nine".