11026544065 has 4 divisors (see below), whose sum is σ = 13231852884. Its totient is φ = 8821235248.

The previous prime is 11026544047. The next prime is 11026544069. The reversal of 11026544065 is 56044562011.

11026544065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56044562011 = 7253 ⋅7727087.

It can be written as a sum of positive squares in 2 ways, for example, as 7590591376 + 3435952689 = 87124^2 + 58617^2 .

It is a cyclic number.

It is not a de Polignac number, because 11026544065 - 2⁵ = 11026544033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11026544065.

It is not an unprimeable number, because it can be changed into a prime (11026544069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102654402 + ... + 1102654411.

It is an arithmetic number, because the mean of its divisors is an integer number (3307963221).

Almost surely, 2^11026544065 is an apocalyptic number.

It is an amenable number.

11026544065 is a deficient number, since it is larger than the sum of its proper divisors (2205308819).

11026544065 is an equidigital number, since it uses as much as digits as its factorization.

11026544065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205308818.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 11026544065 in words is "eleven billion, twenty-six million, five hundred forty-four thousand, sixty-five".