11259985 has 16 divisors (see below), whose sum is σ = 14893632. Its totient is φ = 8104000.

The previous prime is 11259977. The next prime is 11259991. The reversal of 11259985 is 58995211.

It is not a de Polignac number, because 11259985 - 2³ = 11259977 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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4542 + ... + 6568.

It is an arithmetic number, because the mean of its divisors is an integer number (930852).

Almost surely, 2^11259985 is an apocalyptic number.

It is an amenable number.

11259985 is a deficient number, since it is larger than the sum of its proper divisors (3633647).

11259985 is a wasteful number, since it uses less digits than its factorization.

11259985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144.

The product of its digits is 32400, while the sum is 40.

The square root of 11259985 is about 3355.5901120369. The cubic root of 11259985 is about 224.1365093197.

The spelling of 11259985 in words is "eleven million, two hundred fifty-nine thousand, nine hundred eighty-five".