11028180 has 48 divisors (see below), whose sum is σ = 31639104. Its totient is φ = 2868480.

The previous prime is 11028161. The next prime is 11028191. The reversal of 11028180 is 8182011.

It is a super-2 number, since 2×11028180² = 243241508224800, which contains 22 as substring.

It is a zygodrome in base 9.

It is a congruent number.

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, 219 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (659148).

Almost surely, 2^11028180 is an apocalyptic number.

11028180 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 11028180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15819552).

11028180 is an abundant number, since it is smaller than the sum of its proper divisors (20610924).

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

11028180 is a wasteful number, since it uses less digits than its factorization.

11028180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536 (or 4534 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 11028180 is about 3320.8703678403. The cubic root of 11028180 is about 222.5877615330.

The spelling of 11028180 in words is "eleven million, twenty-eight thousand, one hundred eighty".