1141131143 has 4 divisors (see below), whose sum is σ = 1145571600. Its totient is φ = 1136690688.

The previous prime is 1141131077. The next prime is 1141131151. The reversal of 1141131143 is 3411311411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1141131143 - 2¹⁴ = 1141114759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141131193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2219843 + ... + 2220356.

It is an arithmetic number, because the mean of its divisors is an integer number (286392900).

Almost surely, 2^1141131143 is an apocalyptic number.

1141131143 is a deficient number, since it is larger than the sum of its proper divisors (4440457).

1141131143 is an equidigital number, since it uses as much as digits as its factorization.

1141131143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440456.

The product of its digits is 144, while the sum is 20.

The square root of 1141131143 is about 33780.6326613342. The cubic root of 1141131143 is about 1044.9893218692.

Adding to 1141131143 its reverse (3411311411), we get a palindrome (4552442554).

The spelling of 1141131143 in words is "one billion, one hundred forty-one million, one hundred thirty-one thousand, one hundred forty-three".