5665535368811 has 2 divisors, whose sum is σ = 5665535368812. Its totient is φ = 5665535368810.

The previous prime is 5665535368789. The next prime is 5665535368861. The reversal of 5665535368811 is 1188635355665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5665535368811 - 2¹⁰ = 5665535367787 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665535368861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832767684405 + 2832767684406.

It is an arithmetic number, because the mean of its divisors is an integer number (2832767684406).

Almost surely, 2^{5665535368811} is an apocalyptic number.

5665535368811 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665535368811 is an equidigital number, since it uses as much as digits as its factorization.

5665535368811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760000, while the sum is 62.

The spelling of 5665535368811 in words is "five trillion, six hundred sixty-five billion, five hundred thirty-five million, three hundred sixty-eight thousand, eight hundred eleven".