65543000011 has 2 divisors, whose sum is σ = 65543000012. Its totient is φ = 65543000010.

The previous prime is 65543000009. The next prime is 65543000069. The reversal of 65543000011 is 11000034556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65543000011 - 2¹ = 65543000009 is a prime.

Together with 65543000009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 65543000011.

It is not a weakly prime, because it can be changed into another prime (65543000911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32771500005 + 32771500006.

It is an arithmetic number, because the mean of its divisors is an integer number (32771500006).

Almost surely, 2^65543000011 is an apocalyptic number.

65543000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

65543000011 is an equidigital number, since it uses as much as digits as its factorization.

65543000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 65543000011 its reverse (11000034556), we get a palindrome (76543034567).

The spelling of 65543000011 in words is "sixty-five billion, five hundred forty-three million, eleven", and thus it is an aban number.