5665565560555 has 4 divisors (see below), whose sum is σ = 6798678672672. Its totient is φ = 4532452448440.

The previous prime is 5665565560549. The next prime is 5665565560597. The reversal of 5665565560555 is 5550655655665.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5665565560555 - 2¹⁷ = 5665565429483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566556556051 + ... + 566556556060.

It is an arithmetic number, because the mean of its divisors is an integer number (1699669668168).

Almost surely, 2^{5665565560555} is an apocalyptic number.

5665565560555 is a deficient number, since it is larger than the sum of its proper divisors (1133113112117).

5665565560555 is a wasteful number, since it uses less digits than its factorization.

5665565560555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133113112116.

The product of its (nonzero) digits is 506250000, while the sum is 64.

The spelling of 5665565560555 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, five hundred sixty thousand, five hundred fifty-five".