11117320 has 32 divisors (see below), whose sum is σ = 26487000. Its totient is φ = 4185088.

The previous prime is 11117213. The next prime is 11117321. The reversal of 11117320 is 2371111.

It can be written as a sum of positive squares in 4 ways, for example, as 8538084 + 2579236 = 2922^2 + 1606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11117294 and 11117303.

It is not an unprimeable number, because it can be changed into a prime (11117321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7495 + ... + 8854.

Almost surely, 2^11117320 is an apocalyptic number.

11117320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11117320 is an abundant number, since it is smaller than the sum of its proper divisors (15369680).

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

11117320 is a wasteful number, since it uses less digits than its factorization.

11117320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16377 (or 16373 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11117320 is about 3334.2645365957. The cubic root of 11117320 is about 223.1858733025.

Adding to 11117320 its reverse (2371111), we get a palindrome (13488431).

The spelling of 11117320 in words is "eleven million, one hundred seventeen thousand, three hundred twenty".