11085861 has 8 divisors (see below), whose sum is σ = 14927904. Its totient is φ = 7317200.

The previous prime is 11085847. The next prime is 11085863. The reversal of 11085861 is 16858011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11085861 - 2⁷ = 11085733 is a prime.

It is a super-2 number, since 2×11085861² = 245792628222642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11085863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17991 + ... + 18596.

It is an arithmetic number, because the mean of its divisors is an integer number (1865988).

Almost surely, 2^11085861 is an apocalyptic number.

It is an amenable number.

11085861 is a deficient number, since it is larger than the sum of its proper divisors (3842043).

11085861 is a wasteful number, since it uses less digits than its factorization.

11085861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36691.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 11085861 is about 3329.5436624258. The cubic root of 11085861 is about 222.9751559257.

The spelling of 11085861 in words is "eleven million, eighty-five thousand, eight hundred sixty-one".