1143211411 has 2 divisors, whose sum is σ = 1143211412. Its totient is φ = 1143211410.

The previous prime is 1143211403. The next prime is 1143211417. The reversal of 1143211411 is 1141123411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143211411 - 2³ = 1143211403 is a prime.

It is a super-2 number, since 2×1143211411² = 2613864660481221842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1143211417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571605705 + 571605706.

It is an arithmetic number, because the mean of its divisors is an integer number (571605706).

Almost surely, 2^1143211411 is an apocalyptic number.

1143211411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143211411 is an equidigital number, since it uses as much as digits as its factorization.

1143211411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 19.

The square root of 1143211411 is about 33811.4094796416. The cubic root of 1143211411 is about 1045.6239372752.

Adding to 1143211411 its reverse (1141123411), we get a palindrome (2284334822).

The spelling of 1143211411 in words is "one billion, one hundred forty-three million, two hundred eleven thousand, four hundred eleven".