5665565509907 has 2 divisors, whose sum is σ = 5665565509908. Its totient is φ = 5665565509906.

The previous prime is 5665565509823. The next prime is 5665565509931. The reversal of 5665565509907 is 7099055655665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5665565509907 - 2³⁰ = 5664491768083 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665565509937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832782754953 + 2832782754954.

It is an arithmetic number, because the mean of its divisors is an integer number (2832782754954).

Almost surely, 2^{5665565509907} is an apocalyptic number.

5665565509907 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665565509907 is an equidigital number, since it uses as much as digits as its factorization.

5665565509907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 382725000, while the sum is 68.

The spelling of 5665565509907 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, five hundred nine thousand, nine hundred seven".