10818539065 has 4 divisors (see below), whose sum is σ = 12982246884. Its totient is φ = 8654831248.

The previous prime is 10818539063. The next prime is 10818539129. The reversal of 10818539065 is 56093581801.

10818539065 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.

It can be written as a sum of positive squares in 2 ways, for example, as 8134055721 + 2684483344 = 90189^2 + 51812^2 .

It is a cyclic number.

It is not a de Polignac number, because 10818539065 - 2¹ = 10818539063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10818539063) 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, 1081853902 + ... + 1081853911.

It is an arithmetic number, because the mean of its divisors is an integer number (3245561721).

Almost surely, 2^10818539065 is an apocalyptic number.

It is an amenable number.

10818539065 is a deficient number, since it is larger than the sum of its proper divisors (2163707819).

10818539065 is an equidigital number, since it uses as much as digits as its factorization.

10818539065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163707818.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 10818539065 in words is "ten billion, eight hundred eighteen million, five hundred thirty-nine thousand, sixty-five".