11143205445320 has 128 divisors (see below), whose sum is σ = 27792466329600. Its totient is φ = 3995164809216.

The previous prime is 11143205445311. The next prime is 11143205445373. The reversal of 11143205445320 is 2354450234111.

11143205445320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1308836 + ... + 4898924.

It is an arithmetic number, because the mean of its divisors is an integer number (217128643200).

Almost surely, 2^{11143205445320} is an apocalyptic number.

11143205445320 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 11143205445320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13896233164800).

11143205445320 is an abundant number, since it is smaller than the sum of its proper divisors (16649260884280).

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

11143205445320 is a wasteful number, since it uses less digits than its factorization.

11143205445320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590287 (or 3590283 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 11143205445320 its reverse (2354450234111), we get a palindrome (13497655679431).

The spelling of 11143205445320 in words is "eleven trillion, one hundred forty-three billion, two hundred five million, four hundred forty-five thousand, three hundred twenty".