11041400400 has 120 divisors (see below), whose sum is σ = 35392630560. Its totient is φ = 2942430720.

The previous prime is 11041400339. The next prime is 11041400413. The reversal of 11041400400 is 400414011.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11041400400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3489219 + ... + 3492381.

It is an arithmetic number, because the mean of its divisors is an integer number (294938588).

Almost surely, 2^11041400400 is an apocalyptic number.

11041400400 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 11041400400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17696315280).

11041400400 is an abundant number, since it is smaller than the sum of its proper divisors (24351230160).

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

11041400400 is a wasteful number, since it uses less digits than its factorization.

11041400400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093 (or 6082 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11041400400 its reverse (400414011), we get a palindrome (11441814411).

The spelling of 11041400400 in words is "eleven billion, forty-one million, four hundred thousand, four hundred".