2044111543 has 2 divisors, whose sum is σ = 2044111544. Its totient is φ = 2044111542.

The previous prime is 2044111541. The next prime is 2044111567. The reversal of 2044111543 is 3451114402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2044111543 - 2¹ = 2044111541 is a prime.

Together with 2044111541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044111541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022055771 + 1022055772.

It is an arithmetic number, because the mean of its divisors is an integer number (1022055772).

Almost surely, 2^2044111543 is an apocalyptic number.

2044111543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044111543 is an equidigital number, since it uses as much as digits as its factorization.

2044111543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2044111543 is about 45211.8517979523. The cubic root of 2044111543 is about 1269.1166161347.

Adding to 2044111543 its reverse (3451114402), we get a palindrome (5495225945).

The spelling of 2044111543 in words is "two billion, forty-four million, one hundred eleven thousand, five hundred forty-three".