11144985 has 8 divisors (see below), whose sum is σ = 17832000. Its totient is φ = 5943984.

The previous prime is 11144957. The next prime is 11145007. The reversal of 11144985 is 58944111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11144985 - 2¹⁵ = 11112217 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 7 ways as a sum of consecutive naturals, for example, 371485 + ... + 371514.

It is an arithmetic number, because the mean of its divisors is an integer number (2229000).

Almost surely, 2^11144985 is an apocalyptic number.

11144985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11144985 is a deficient number, since it is larger than the sum of its proper divisors (6687015).

11144985 is an equidigital number, since it uses as much as digits as its factorization.

11144985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743007.

The product of its digits is 5760, while the sum is 33.

The square root of 11144985 is about 3338.4105499474. The cubic root of 11144985 is about 223.3708496169.

The spelling of 11144985 in words is "eleven million, one hundred forty-four thousand, nine hundred eighty-five".