10818165865 has 16 divisors (see below), whose sum is σ = 13983391296. Its totient is φ = 7987089600.

The previous prime is 10818165863. The next prime is 10818165881. The reversal of 10818165865 is 56856181801.

It is not a de Polignac number, because 10818165865 - 2¹ = 10818165863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10818165863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344470 + ... + 374560.

It is an arithmetic number, because the mean of its divisors is an integer number (873961956).

Almost surely, 2^10818165865 is an apocalyptic number.

It is an amenable number.

10818165865 is a deficient number, since it is larger than the sum of its proper divisors (3165225431).

10818165865 is a wasteful number, since it uses less digits than its factorization.

10818165865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35640.

The product of its (nonzero) digits is 460800, while the sum is 49.

The spelling of 10818165865 in words is "ten billion, eight hundred eighteen million, one hundred sixty-five thousand, eight hundred sixty-five".