5665565656099 has 2 divisors, whose sum is σ = 5665565656100. Its totient is φ = 5665565656098.

The previous prime is 5665565656061. The next prime is 5665565656103. The reversal of 5665565656099 is 9906565655665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5665565656099 - 2³⁵ = 5631205917731 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665565656199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832782828049 + 2832782828050.

It is an arithmetic number, because the mean of its divisors is an integer number (2832782828050).

Almost surely, 2^{5665565656099} is an apocalyptic number.

5665565656099 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665565656099 is an equidigital number, since it uses as much as digits as its factorization.

5665565656099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1968300000, while the sum is 73.

The spelling of 5665565656099 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, six hundred fifty-six thousand, ninety-nine".