1133511143 has 2 divisors, whose sum is σ = 1133511144. Its totient is φ = 1133511142.

The previous prime is 1133511121. The next prime is 1133511149. The reversal of 1133511143 is 3411153311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133511143 is a prime.

It is a super-2 number, since 2×1133511143² = 2569695022610332898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133511149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566755571 + 566755572.

It is an arithmetic number, because the mean of its divisors is an integer number (566755572).

Almost surely, 2^1133511143 is an apocalyptic number.

1133511143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133511143 is an equidigital number, since it uses as much as digits as its factorization.

1133511143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

The square root of 1133511143 is about 33667.6572247016. The cubic root of 1133511143 is about 1042.6581236073.

Adding to 1133511143 its reverse (3411153311), we get a palindrome (4544664454).

The spelling of 1133511143 in words is "one billion, one hundred thirty-three million, five hundred eleven thousand, one hundred forty-three".