11566516550683 has 2 divisors, whose sum is σ = 11566516550684. Its totient is φ = 11566516550682.

The previous prime is 11566516550669. The next prime is 11566516550707. The reversal of 11566516550683 is 38605561566511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11566516550683 - 2¹⁷ = 11566516419611 is a prime.

It is not a weakly prime, because it can be changed into another prime (11566516550623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5783258275341 + 5783258275342.

It is an arithmetic number, because the mean of its divisors is an integer number (5783258275342).

Almost surely, 2^{11566516550683} is an apocalyptic number.

11566516550683 is a deficient number, since it is larger than the sum of its proper divisors (1).

11566516550683 is an equidigital number, since it uses as much as digits as its factorization.

11566516550683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440000, while the sum is 58.

The spelling of 11566516550683 in words is "eleven trillion, five hundred sixty-six billion, five hundred sixteen million, five hundred fifty thousand, six hundred eighty-three".