4431243111544 has 16 divisors (see below), whose sum is σ = 8309664347400. Its totient is φ = 2215332618912.

The previous prime is 4431243111541. The next prime is 4431243111577. The reversal of 4431243111544 is 4451113421344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431243111541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36051922 + ... + 36174625.

Almost surely, 2^{4431243111544} is an apocalyptic number.

It is an amenable number.

4431243111544 is a deficient number, since it is larger than the sum of its proper divisors (3878421235856).

4431243111544 is a wasteful number, since it uses less digits than its factorization.

4431243111544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72234222 (or 72234218 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

Adding to 4431243111544 its reverse (4451113421344), we get a palindrome (8882356532888).

The spelling of 4431243111544 in words is "four trillion, four hundred thirty-one billion, two hundred forty-three million, one hundred eleven thousand, five hundred forty-four".