11090000 has 50 divisors (see below), whose sum is σ = 26874210. Its totient is φ = 4432000.

The previous prime is 11089999. The next prime is 11090029. The reversal of 11090000 is 9011.

It can be written as a sum of positive squares in 5 ways, for example, as 7907344 + 3182656 = 2812^2 + 1784^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9446 + ... + 10554.

Almost surely, 2^11090000 is an apocalyptic number.

11090000 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 11090000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13437105).

11090000 is an abundant number, since it is smaller than the sum of its proper divisors (15784210).

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

11090000 is an equidigital number, since it uses as much as digits as its factorization.

11090000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 11090000 is about 3330.1651610693. The cubic root of 11090000 is about 223.0029023599.

Adding to 11090000 its reverse (9011), we get a palindrome (11099011).

The spelling of 11090000 in words is "eleven million, ninety thousand".