11004140 has 48 divisors (see below), whose sum is σ = 26756352. Its totient is φ = 3723456.

The previous prime is 11004127. The next prime is 11004167. The reversal of 11004140 is 4140011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11147 + ... + 12093.

It is an arithmetic number, because the mean of its divisors is an integer number (557424).

Almost surely, 2^11004140 is an apocalyptic number.

11004140 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 11004140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13378176).

11004140 is an abundant number, since it is smaller than the sum of its proper divisors (15752212).

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

11004140 is a wasteful number, since it uses less digits than its factorization.

11004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11004140 is about 3317.2488601249. The cubic root of 11004140 is about 222.4259063985.

Adding to 11004140 its reverse (4140011), we get a palindrome (15144151).

The spelling of 11004140 in words is "eleven million, four thousand, one hundred forty".