11143411400 has 96 divisors (see below), whose sum is σ = 28386352800. Its totient is φ = 4034572800.

The previous prime is 11143411393. The next prime is 11143411417. The reversal of 11143411400 is 411434111.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 501731 + ... + 523469.

It is an arithmetic number, because the mean of its divisors is an integer number (295691175).

Almost surely, 2^11143411400 is an apocalyptic number.

11143411400 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 11143411400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14193176400).

11143411400 is an abundant number, since it is smaller than the sum of its proper divisors (17242941400).

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

11143411400 is a wasteful number, since it uses less digits than its factorization.

11143411400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21999 (or 21990 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11143411400 its reverse (411434111), we get a palindrome (11554845511).

The spelling of 11143411400 in words is "eleven billion, one hundred forty-three million, four hundred eleven thousand, four hundred".