11098900 has 18 divisors (see below), whose sum is σ = 24084830. Its totient is φ = 4439520.

The previous prime is 11098897. The next prime is 11098931. The reversal of 11098900 is 989011.

It can be written as a sum of positive squares in 3 ways, for example, as 3678724 + 7420176 = 1918^2 + 2724^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55395 + ... + 55594.

Almost surely, 2^11098900 is an apocalyptic number.

11098900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11098900 is an abundant number, since it is smaller than the sum of its proper divisors (12985930).

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

11098900 is a wasteful number, since it uses less digits than its factorization.

11098900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111003 (or 110996 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 11098900 is about 3331.5011631395. The cubic root of 11098900 is about 223.0625415284.

It can be divided in two parts, 1 and 1098900, that added together give a palindrome (1098901).

The spelling of 11098900 in words is "eleven million, ninety-eight thousand, nine hundred".