11080920 has 64 divisors (see below), whose sum is σ = 33592320. Its totient is φ = 2923904.

The previous prime is 11080907. The next prime is 11080931. The reversal of 11080920 is 2908011.

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, 12409 + ... + 13271.

It is an arithmetic number, because the mean of its divisors is an integer number (524880).

Almost surely, 2^11080920 is an apocalyptic number.

11080920 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 11080920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16796160).

11080920 is an abundant number, since it is smaller than the sum of its proper divisors (22511400).

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

11080920 is a wasteful number, since it uses less digits than its factorization.

11080920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 11080920 is about 3328.8015861568. The cubic root of 11080920 is about 222.9420241144.

Adding to 11080920 its reverse (2908011), we get a palindrome (13988931).

The spelling of 11080920 in words is "eleven million, eighty thousand, nine hundred twenty".