11118900 has 72 divisors (see below), whose sum is σ = 34657504. Its totient is φ = 2736000.

The previous prime is 11118893. The next prime is 11118911. The reversal of 11118900 is 981111.

It is a nialpdrome in base 15.

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 23 ways as a sum of consecutive naturals, for example, 2475 + ... + 5325.

Almost surely, 2^11118900 is an apocalyptic number.

11118900 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 11118900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17328752).

11118900 is an abundant number, since it is smaller than the sum of its proper divisors (23538604).

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

11118900 is a wasteful number, since it uses less digits than its factorization.

11118900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 11118900 is about 3334.5014619880. The cubic root of 11118900 is about 223.1964459038.

It can be divided in two parts, 1111 and 8900, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 11118900 in words is "eleven million, one hundred eighteen thousand, nine hundred".