11331685 has 4 divisors (see below), whose sum is σ = 13598028. Its totient is φ = 9065344.

The previous prime is 11331679. The next prime is 11331689. The reversal of 11331685 is 58613311.

11331685 = 1060² + 1061² + ... + 1069².

11331685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5026564 + 6305121 = 2242^2 + 2511^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331685 - 2¹⁹ = 10807397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133164 + ... + 1133173.

It is an arithmetic number, because the mean of its divisors is an integer number (3399507).

Almost surely, 2^11331685 is an apocalyptic number.

It is an amenable number.

11331685 is a deficient number, since it is larger than the sum of its proper divisors (2266343).

11331685 is an equidigital number, since it uses as much as digits as its factorization.

11331685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266342.

The product of its digits is 2160, while the sum is 28.

The square root of 11331685 is about 3366.2568232385. The cubic root of 11331685 is about 224.6112463963.

Adding to 11331685 its reverse (58613311), we get a palindrome (69944996).

The spelling of 11331685 in words is "eleven million, three hundred thirty-one thousand, six hundred eighty-five".