10810985 has 4 divisors (see below), whose sum is σ = 12973188. Its totient is φ = 8648784.

The previous prime is 10810951. The next prime is 10811011. The reversal of 10810985 is 58901801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58901801 = 7 ⋅8414543.

It can be written as a sum of positive squares in 2 ways, for example, as 1545049 + 9265936 = 1243^2 + 3044^2 .

It is a cyclic number.

It is not a de Polignac number, because 10810985 - 2¹⁰ = 10809961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1081094 + ... + 1081103.

It is an arithmetic number, because the mean of its divisors is an integer number (3243297).

Almost surely, 2^10810985 is an apocalyptic number.

It is an amenable number.

10810985 is a deficient number, since it is larger than the sum of its proper divisors (2162203).

10810985 is an equidigital number, since it uses as much as digits as its factorization.

10810985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162202.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 10810985 is about 3288.0062347873. The cubic root of 10810985 is about 221.1168072758.

The spelling of 10810985 in words is "ten million, eight hundred ten thousand, nine hundred eighty-five".