11140685 has 4 divisors (see below), whose sum is σ = 13368828. Its totient is φ = 8912544.

The previous prime is 11140651. The next prime is 11140697. The reversal of 11140685 is 58604111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58604111 = 601 ⋅97511.

It can be written as a sum of positive squares in 2 ways, for example, as 2128681 + 9012004 = 1459^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 11140685 - 2¹² = 11136589 is a prime.

It is a super-2 number, since 2×11140685² = 248229724538450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114064 + ... + 1114073.

It is an arithmetic number, because the mean of its divisors is an integer number (3342207).

Almost surely, 2^11140685 is an apocalyptic number.

It is an amenable number.

11140685 is a deficient number, since it is larger than the sum of its proper divisors (2228143).

11140685 is an equidigital number, since it uses as much as digits as its factorization.

11140685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228142.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 11140685 is about 3337.7664687632. The cubic root of 11140685 is about 223.3421186614.

Adding to 11140685 its reverse (58604111), we get a palindrome (69744796).

The spelling of 11140685 in words is "eleven million, one hundred forty thousand, six hundred eighty-five".