11180118 has 16 divisors (see below), whose sum is σ = 23675760. Its totient is φ = 3507456.

The previous prime is 11180111. The next prime is 11180131. The reversal of 11180118 is 81108111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11180094 and 11180103.

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 7 ways as a sum of consecutive naturals, for example, 54703 + ... + 54906.

It is an arithmetic number, because the mean of its divisors is an integer number (1479735).

Almost surely, 2^11180118 is an apocalyptic number.

11180118 is an abundant number, since it is smaller than the sum of its proper divisors (12495642).

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

11180118 is a wasteful number, since it uses less digits than its factorization.

11180118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109631.

The product of its (nonzero) digits is 64, while the sum is 21.

The square root of 11180118 is about 3343.6683447974. The cubic root of 11180118 is about 223.6053184902.

Adding to 11180118 its reverse (81108111), we get a palindrome (92288229).

The spelling of 11180118 in words is "eleven million, one hundred eighty thousand, one hundred eighteen".