11159118 has 48 divisors (see below), whose sum is σ = 25883520. Its totient is φ = 3464208.

The previous prime is 11159077. The next prime is 11159119. The reversal of 11159118 is 81195111.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11159091 and 11159100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11159119) 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 23 ways as a sum of consecutive naturals, for example, 22671 + ... + 23157.

It is an arithmetic number, because the mean of its divisors is an integer number (539240).

Almost surely, 2^11159118 is an apocalyptic number.

11159118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11159118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12941760).

11159118 is an abundant number, since it is smaller than the sum of its proper divisors (14724402).

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

11159118 is a wasteful number, since it uses less digits than its factorization.

11159118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 578 counting only the distinct ones).

The product of its digits is 360, while the sum is 27.

The square root of 11159118 is about 3340.5266051927. The cubic root of 11159118 is about 223.4652288895.

The spelling of 11159118 in words is "eleven million, one hundred fifty-nine thousand, one hundred eighteen".