6565151600191 has 2 divisors, whose sum is σ = 6565151600192. Its totient is φ = 6565151600190.

The previous prime is 6565151600149. The next prime is 6565151600201. The reversal of 6565151600191 is 1910061515656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6565151600191 - 2⁴¹ = 4366128344639 is a prime.

It is a super-2 number, since 2×6565151600191² (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 (6565151600291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282575800095 + 3282575800096.

It is an arithmetic number, because the mean of its divisors is an integer number (3282575800096).

Almost surely, 2^{6565151600191} is an apocalyptic number.

6565151600191 is a deficient number, since it is larger than the sum of its proper divisors (1).

6565151600191 is an equidigital number, since it uses as much as digits as its factorization.

6565151600191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243000, while the sum is 46.

The spelling of 6565151600191 in words is "six trillion, five hundred sixty-five billion, one hundred fifty-one million, six hundred thousand, one hundred ninety-one".