5665561115579 has 2 divisors, whose sum is σ = 5665561115580. Its totient is φ = 5665561115578.

The previous prime is 5665561115549. The next prime is 5665561115653. The reversal of 5665561115579 is 9755111655665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5665561115579 - 2⁸ = 5665561115323 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665561115549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832780557789 + 2832780557790.

It is an arithmetic number, because the mean of its divisors is an integer number (2832780557790).

Almost surely, 2^{5665561115579} is an apocalyptic number.

5665561115579 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665561115579 is an equidigital number, since it uses as much as digits as its factorization.

5665561115579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42525000, while the sum is 62.

The spelling of 5665561115579 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-one million, one hundred fifteen thousand, five hundred seventy-nine".