11140424 has 8 divisors (see below), whose sum is σ = 20888310. Its totient is φ = 5570208.

The previous prime is 11140421. The next prime is 11140447. The reversal of 11140424 is 42404111.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 964324 = 3190^2 + 982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11140421) 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 as a sum of consecutive naturals, namely, 696269 + ... + 696284.

Almost surely, 2^11140424 is an apocalyptic number.

It is an amenable number.

11140424 is a deficient number, since it is larger than the sum of its proper divisors (9747886).

11140424 is a wasteful number, since it uses less digits than its factorization.

11140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392559 (or 1392555 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 11140424 is about 3337.7273705322. The cubic root of 11140424 is about 223.3403745212.

Adding to 11140424 its reverse (42404111), we get a palindrome (53544535).

The spelling of 11140424 in words is "eleven million, one hundred forty thousand, four hundred twenty-four".