5665566051443 has 2 divisors, whose sum is σ = 5665566051444. Its totient is φ = 5665566051442.

The previous prime is 5665566051433. The next prime is 5665566051517. The reversal of 5665566051443 is 3441506655665.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5665566051443 is a prime.

It is a super-2 number, since 2×5665566051443² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5665566051413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832783025721 + 2832783025722.

It is an arithmetic number, because the mean of its divisors is an integer number (2832783025722).

Almost surely, 2^{5665566051443} is an apocalyptic number.

5665566051443 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665566051443 is an equidigital number, since it uses as much as digits as its factorization.

5665566051443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 5665566051443 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-six million, fifty-one thousand, four hundred forty-three".