10818505 has 16 divisors (see below), whose sum is σ = 13749120. Its totient is φ = 8149248.

The previous prime is 10818481. The next prime is 10818517. The reversal of 10818505 is 50581801.

10818505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a 3-Lehmer number, since φ(10818505) divides (10818505-1)³.

It is a cyclic number.

It is not a de Polignac number, because 10818505 - 2¹¹ = 10816457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24769 + ... + 25201.

It is an arithmetic number, because the mean of its divisors is an integer number (859320).

It is a Poulet number, since it divides 2^10818504-1.

Almost surely, 2^10818505 is an apocalyptic number.

It is an amenable number.

10818505 is a deficient number, since it is larger than the sum of its proper divisors (2930615).

10818505 is a wasteful number, since it uses less digits than its factorization.

10818505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 10818505 is about 3289.1495861393. The cubic root of 10818505 is about 221.1680641841.

The spelling of 10818505 in words is "ten million, eight hundred eighteen thousand, five hundred five".