11103400 has 144 divisors (see below), whose sum is σ = 33078240. Its totient is φ = 3427200.

The previous prime is 11103383. The next prime is 11103409. The reversal of 11103400 is 430111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (11103409) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 107749 + ... + 107851.

It is an arithmetic number, because the mean of its divisors is an integer number (229710).

Almost surely, 2^11103400 is an apocalyptic number.

11103400 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 11103400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16539120).

11103400 is an abundant number, since it is smaller than the sum of its proper divisors (21974840).

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

11103400 is a wasteful number, since it uses less digits than its factorization.

11103400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 11103400 is about 3332.1764659153. The cubic root of 11103400 is about 223.0926840293.

Adding to 11103400 its reverse (430111), we get a palindrome (11533511).

Subtracting from 11103400 its reverse (430111), we obtain a square (10673289 = 3267²).

The spelling of 11103400 in words is "eleven million, one hundred three thousand, four hundred".