41560663842881 has 2 divisors, whose sum is σ = 41560663842882. Its totient is φ = 41560663842880.

The previous prime is 41560663842857. The next prime is 41560663842913. The reversal of 41560663842881 is 18824836606514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27294783762481 + 14265880080400 = 5224441^2 + 3777020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41560663842881 is a prime.

It is a super-2 number, since 2×41560663842881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41560663142881) 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, 20780331921440 + 20780331921441.

It is an arithmetic number, because the mean of its divisors is an integer number (20780331921441).

Almost surely, 2^{41560663842881} is an apocalyptic number.

It is an amenable number.

41560663842881 is a deficient number, since it is larger than the sum of its proper divisors (1).

41560663842881 is an equidigital number, since it uses as much as digits as its factorization.

41560663842881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53084160, while the sum is 62.

The spelling of 41560663842881 in words is "forty-one trillion, five hundred sixty billion, six hundred sixty-three million, eight hundred forty-two thousand, eight hundred eighty-one".