11118340 has 48 divisors (see below), whose sum is σ = 25229232. Its totient is φ = 4100096.

The previous prime is 11118337. The next prime is 11118343. The reversal of 11118340 is 4381111.

It is an interprime number because it is at equal distance from previous prime (11118337) and next prime (11118343).

It can be written as a sum of positive squares in 8 ways, for example, as 148996 + 10969344 = 386^2 + 3312^2 .

It is not an unprimeable number, because it can be changed into a prime (11118343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17712 + ... + 18328.

It is an arithmetic number, because the mean of its divisors is an integer number (525609).

Almost surely, 2^11118340 is an apocalyptic number.

11118340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11118340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12614616).

11118340 is an abundant number, since it is smaller than the sum of its proper divisors (14110892).

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

11118340 is a wasteful number, since it uses less digits than its factorization.

11118340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 11118340 is about 3334.4174903572. The cubic root of 11118340 is about 223.1926987673.

Adding to 11118340 its reverse (4381111), we get a palindrome (15499451).

The spelling of 11118340 in words is "eleven million, one hundred eighteen thousand, three hundred forty".