11045880 has 96 divisors (see below), whose sum is σ = 36560160. Its totient is φ = 2891520.

The previous prime is 11045861. The next prime is 11045891. The reversal of 11045880 is 8854011.

11045880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11045880² = 244022929948800, which contains 22 as substring.

It is a congruent number.

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, 21709 + ... + 22211.

It is an arithmetic number, because the mean of its divisors is an integer number (380835).

Almost surely, 2^11045880 is an apocalyptic number.

11045880 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 11045880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18280080).

11045880 is an abundant number, since it is smaller than the sum of its proper divisors (25514280).

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

11045880 is a wasteful number, since it uses less digits than its factorization.

11045880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 11045880 is about 3323.5342634009. The cubic root of 11045880 is about 222.7067807936.

Adding to 11045880 its reverse (8854011), we get a palindrome (19899891).

The spelling of 11045880 in words is "eleven million, forty-five thousand, eight hundred eighty".