11101400 has 48 divisors (see below), whose sum is σ = 26382240. Its totient is φ = 4342400.

The previous prime is 11101399. The next prime is 11101411. The reversal of 11101400 is 410111.

It is a Harshad number since it is a multiple of its sum of digits (8).

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 11 ways as a sum of consecutive naturals, for example, 8810 + ... + 9990.

It is an arithmetic number, because the mean of its divisors is an integer number (549630).

Almost surely, 2^11101400 is an apocalyptic number.

11101400 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 11101400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13191120).

11101400 is an abundant number, since it is smaller than the sum of its proper divisors (15280840).

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

11101400 is a wasteful number, since it uses less digits than its factorization.

11101400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11101400 is about 3331.8763482458. The cubic root of 11101400 is about 223.0792883679.

Adding to 11101400 its reverse (410111), we get a palindrome (11511511).

The spelling of 11101400 in words is "eleven million, one hundred one thousand, four hundred".