1141442111 has 2 divisors, whose sum is σ = 1141442112. Its totient is φ = 1141442110.

The previous prime is 1141442077. The next prime is 1141442123. The reversal of 1141442111 is 1112441411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141442111 - 2¹⁰ = 1141441087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141442131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570721055 + 570721056.

It is an arithmetic number, because the mean of its divisors is an integer number (570721056).

Almost surely, 2^1141442111 is an apocalyptic number.

1141442111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141442111 is an equidigital number, since it uses as much as digits as its factorization.

1141442111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 20.

The square root of 1141442111 is about 33785.2351035182. The cubic root of 1141442111 is about 1045.0842360918.

Adding to 1141442111 its reverse (1112441411), we get a palindrome (2253883522).

The spelling of 1141442111 in words is "one billion, one hundred forty-one million, four hundred forty-two thousand, one hundred eleven".