243111441444 has 12 divisors (see below), whose sum is σ = 567260030064. Its totient is φ = 81037147144.

The previous prime is 243111441409. The next prime is 243111441481. The reversal of 243111441444 is 444144111342.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10129643382 + ... + 10129643405.

It is an arithmetic number, because the mean of its divisors is an integer number (47271669172).

Almost surely, 2^243111441444 is an apocalyptic number.

It is an amenable number.

243111441444 is an abundant number, since it is smaller than the sum of its proper divisors (324148588620).

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

243111441444 is a wasteful number, since it uses less digits than its factorization.

243111441444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20259286794 (or 20259286792 counting only the distinct ones).

The product of its digits is 24576, while the sum is 33.

Adding to 243111441444 its reverse (444144111342), we get a palindrome (687255552786).

The spelling of 243111441444 in words is "two hundred forty-three billion, one hundred eleven million, four hundred forty-one thousand, four hundred forty-four".