11098880 has 144 divisors (see below), whose sum is σ = 30905280. Its totient is φ = 3784704.

The previous prime is 11098877. The next prime is 11098897. The reversal of 11098880 is 8889011.

It is a self number, because there is not a number n which added to its sum of digits gives 11098880.

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, 382706 + ... + 382734.

It is an arithmetic number, because the mean of its divisors is an integer number (214620).

Almost surely, 2^11098880 is an apocalyptic number.

11098880 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 11098880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15452640).

11098880 is an abundant number, since it is smaller than the sum of its proper divisors (19806400).

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

11098880 is a wasteful number, since it uses less digits than its factorization.

11098880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 11098880 is about 3331.4981614883. The cubic root of 11098880 is about 223.0624075436.

The spelling of 11098880 in words is "eleven million, ninety-eight thousand, eight hundred eighty".