2144541111 has 8 divisors (see below), whose sum is σ = 2859813120. Its totient is φ = 1429481592.

The previous prime is 2144541073. The next prime is 2144541163. The reversal of 2144541111 is 1111454412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144541111 - 2¹⁵ = 2144508343 is a prime.

It is a super-2 number, since 2×2144541111² = 9198113153538228642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144541811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27855 + ... + 71168.

It is an arithmetic number, because the mean of its divisors is an integer number (357476640).

Almost surely, 2^2144541111 is an apocalyptic number.

2144541111 is a deficient number, since it is larger than the sum of its proper divisors (715272009).

2144541111 is an equidigital number, since it uses as much as digits as its factorization.

2144541111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106245.

The product of its digits is 640, while the sum is 24.

The square root of 2144541111 is about 46309.1903513763. The cubic root of 2144541111 is about 1289.5696160564.

Adding to 2144541111 its reverse (1111454412), we get a palindrome (3255995523).

The spelling of 2144541111 in words is "two billion, one hundred forty-four million, five hundred forty-one thousand, one hundred eleven".