5665493941111 has 2 divisors, whose sum is σ = 5665493941112. Its totient is φ = 5665493941110.

The previous prime is 5665493941067. The next prime is 5665493941229. The reversal of 5665493941111 is 1111493945665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5665493941111 - 2¹³ = 5665493932919 is a prime.

It is a super-2 number, since 2×5665493941111² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5665493911111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832746970555 + 2832746970556.

It is an arithmetic number, because the mean of its divisors is an integer number (2832746970556).

Almost surely, 2^{5665493941111} is an apocalyptic number.

5665493941111 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665493941111 is an equidigital number, since it uses as much as digits as its factorization.

5665493941111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 55.

The spelling of 5665493941111 in words is "five trillion, six hundred sixty-five billion, four hundred ninety-three million, nine hundred forty-one thousand, one hundred eleven".