1131443000444 has 12 divisors (see below), whose sum is σ = 1988904289344. Its totient is φ = 563184632064.

The previous prime is 1131443000399. The next prime is 1131443000477. The reversal of 1131443000444 is 4440003441311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634216037 + ... + 634217820.

It is an arithmetic number, because the mean of its divisors is an integer number (165742024112).

Almost surely, 2^{1131443000444} is an apocalyptic number.

It is an amenable number.

1131443000444 is a deficient number, since it is larger than the sum of its proper divisors (857461288900).

1131443000444 is a wasteful number, since it uses less digits than its factorization.

1131443000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268434084 (or 1268434082 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1131443000444 its reverse (4440003441311), we get a palindrome (5571446441755).

The spelling of 1131443000444 in words is "one trillion, one hundred thirty-one billion, four hundred forty-three million, four hundred forty-four", and thus it is an aban number.