11040311 has 4 divisors (see below), whose sum is σ = 11621400. Its totient is φ = 10459224.

The previous prime is 11040241. The next prime is 11040313. The reversal of 11040311 is 11304011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11304011 = 151 ⋅74861.

It is a cyclic number.

It is not a de Polignac number, because 11040311 - 2¹⁴ = 11023927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11040292 and 11040301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040313) 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 3 ways as a sum of consecutive naturals, for example, 290516 + ... + 290553.

It is an arithmetic number, because the mean of its divisors is an integer number (2905350).

Almost surely, 2^11040311 is an apocalyptic number.

11040311 is a deficient number, since it is larger than the sum of its proper divisors (581089).

11040311 is an equidigital number, since it uses as much as digits as its factorization.

11040311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581088.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11040311 is about 3322.6963448380. The cubic root of 11040311 is about 222.6693471516.

Adding to 11040311 its reverse (11304011), we get a palindrome (22344322).

The spelling of 11040311 in words is "eleven million, forty thousand, three hundred eleven".