10985565 has 16 divisors (see below), whose sum is σ = 17740800. Its totient is φ = 5804352.

The previous prime is 10985561. The next prime is 10985567. The reversal of 10985565 is 56558901.

10985565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10985565 - 2² = 10985561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10985561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1725 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (1108800).

Almost surely, 2^10985565 is an apocalyptic number.

10985565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10985565 is a deficient number, since it is larger than the sum of its proper divisors (6755235).

10985565 is a wasteful number, since it uses less digits than its factorization.

10985565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 10985565 is about 3314.4479178289. The cubic root of 10985565 is about 222.3006841916.

The spelling of 10985565 in words is "ten million, nine hundred eighty-five thousand, five hundred sixty-five".