11002180 has 48 divisors (see below), whose sum is σ = 26732160. Its totient is φ = 3725568.

The previous prime is 11002177. The next prime is 11002207. The reversal of 11002180 is 8120011.

It is a self number, because there is not a number n which added to its sum of digits gives 11002180.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12019 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

Almost surely, 2^11002180 is an apocalyptic number.

11002180 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 11002180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13366080).

11002180 is an abundant number, since it is smaller than the sum of its proper divisors (15729980).

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

11002180 is a wasteful number, since it uses less digits than its factorization.

11002180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 11002180 is about 3316.9534214396. The cubic root of 11002180 is about 222.4126998338.

Adding to 11002180 its reverse (8120011), we get a palindrome (19122191).

The spelling of 11002180 in words is "eleven million, two thousand, one hundred eighty".