11181114 has 48 divisors (see below), whose sum is σ = 28267200. Its totient is φ = 3192840.

The previous prime is 11181103. The next prime is 11181133. The reversal of 11181114 is 41118111.

It is a happy number.

11181114 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5269 + ... + 7079.

It is an arithmetic number, because the mean of its divisors is an integer number (588900).

Almost surely, 2^11181114 is an apocalyptic number.

11181114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11181114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14133600).

11181114 is an abundant number, since it is smaller than the sum of its proper divisors (17086086).

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

11181114 is a wasteful number, since it uses less digits than its factorization.

11181114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1823 counting only the distinct ones).

The product of its digits is 32, while the sum is 18.

The square root of 11181114 is about 3343.8172796970. The cubic root of 11181114 is about 223.6119583809.

Adding to 11181114 its reverse (41118111), we get a palindrome (52299225).

It can be divided in two parts, 111 and 81114, that added together give a square (81225 = 285²).

The spelling of 11181114 in words is "eleven million, one hundred eighty-one thousand, one hundred fourteen".