11117424 has 20 divisors (see below), whose sum is σ = 28720136. Its totient is φ = 3705792.

The previous prime is 11117423. The next prime is 11117443. The reversal of 11117424 is 42471111.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11117424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11117423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115759 + ... + 115854.

Almost surely, 2^11117424 is an apocalyptic number.

It is an amenable number.

11117424 is an abundant number, since it is smaller than the sum of its proper divisors (17602712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11117424 is a wasteful number, since it uses less digits than its factorization.

11117424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231624 (or 231618 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 11117424 is about 3334.2801322025. The cubic root of 11117424 is about 223.1865692513.

Adding to 11117424 its reverse (42471111), we get a palindrome (53588535).

The spelling of 11117424 in words is "eleven million, one hundred seventeen thousand, four hundred twenty-four".