5522486818781 has 2 divisors, whose sum is σ = 5522486818782. Its totient is φ = 5522486818780.

The previous prime is 5522486818747. The next prime is 5522486818799. The reversal of 5522486818781 is 1878186842255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5262046027225 + 260440791556 = 2293915^2 + 510334^2 .

It is a cyclic number.

It is not a de Polignac number, because 5522486818781 - 2³⁰ = 5521413076957 is a prime.

It is a super-2 number, since 2×5522486818781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5522486818721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2761243409390 + 2761243409391.

It is an arithmetic number, because the mean of its divisors is an integer number (2761243409391).

Almost surely, 2^{5522486818781} is an apocalyptic number.

It is an amenable number.

5522486818781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5522486818781 is an equidigital number, since it uses as much as digits as its factorization.

5522486818781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68812800, while the sum is 65.

The spelling of 5522486818781 in words is "five trillion, five hundred twenty-two billion, four hundred eighty-six million, eight hundred eighteen thousand, seven hundred eighty-one".