11085431 has 8 divisors (see below), whose sum is σ = 12704160. Its totient is φ = 9475488.

The previous prime is 11085407. The next prime is 11085433. The reversal of 11085431 is 13458011.

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 11085431 - 2⁶ = 11085367 is a prime.

It is a super-2 number, since 2×11085431² = 245773560911522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11085397 and 11085406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11085433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 785 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (1588020).

Almost surely, 2^11085431 is an apocalyptic number.

11085431 is a deficient number, since it is larger than the sum of its proper divisors (1618729).

11085431 is an equidigital number, since it uses as much as digits as its factorization.

11085431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11085431 is about 3329.4790883860. The cubic root of 11085431 is about 222.9722729574.

The spelling of 11085431 in words is "eleven million, eighty-five thousand, four hundred thirty-one".