1131444424000 has 224 divisors, whose sum is σ = 3114438792192. Its totient is φ = 403669760000.

The previous prime is 1131444423973. The next prime is 1131444424009. The reversal of 1131444424000 is 4244441311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131444424000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131444424009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4542705 + ... + 4785295.

It is an arithmetic number, because the mean of its divisors is an integer number (13903744608).

Almost surely, 2^{1131444424000} is an apocalyptic number.

1131444424000 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 1131444424000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1557219396096).

1131444424000 is an abundant number, since it is smaller than the sum of its proper divisors (1982994368192).

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

1131444424000 is a wasteful number, since it uses less digits than its factorization.

1131444424000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242682 (or 242662 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1131444424000 its reverse (4244441311), we get a palindrome (1135688865311).

The spelling of 1131444424000 in words is "one trillion, one hundred thirty-one billion, four hundred forty-four million, four hundred twenty-four thousand".