1441147111 has 2 divisors, whose sum is σ = 1441147112. Its totient is φ = 1441147110.

The previous prime is 1441147109. The next prime is 1441147181. The reversal of 1441147111 is 1117411441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1441147111 - 2¹ = 1441147109 is a prime.

Together with 1441147109, 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 (1441147181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720573555 + 720573556.

It is an arithmetic number, because the mean of its divisors is an integer number (720573556).

Almost surely, 2^1441147111 is an apocalyptic number.

1441147111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441147111 is an equidigital number, since it uses as much as digits as its factorization.

1441147111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 25.

The square root of 1441147111 is about 37962.4434276826. The cubic root of 1441147111 is about 1129.5430086209.

Adding to 1441147111 its reverse (1117411441), we get a palindrome (2558558552).

The spelling of 1441147111 in words is "one billion, four hundred forty-one million, one hundred forty-seven thousand, one hundred eleven".