11180117 has 4 divisors (see below), whose sum is σ = 12040140. Its totient is φ = 10320096.

The previous prime is 11180111. The next prime is 11180131. The reversal of 11180117 is 71108111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 7623121 = 1886^2 + 2761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11180117 is a prime.

It is a super-2 number, since 2×11180117² = 249990032267378, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11180111) 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, 429992 + ... + 430017.

It is an arithmetic number, because the mean of its divisors is an integer number (3010035).

Almost surely, 2^11180117 is an apocalyptic number.

It is an amenable number.

11180117 is a deficient number, since it is larger than the sum of its proper divisors (860023).

11180117 is an equidigital number, since it uses as much as digits as its factorization.

11180117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860022.

The product of its (nonzero) digits is 56, while the sum is 20.

The square root of 11180117 is about 3343.6681952610. The cubic root of 11180117 is about 223.6053118234.

Adding to 11180117 its reverse (71108111), we get a palindrome (82288228).

The spelling of 11180117 in words is "eleven million, one hundred eighty thousand, one hundred seventeen".