1140343411 has 2 divisors, whose sum is σ = 1140343412. Its totient is φ = 1140343410.

The previous prime is 1140343403. The next prime is 1140343471. The reversal of 1140343411 is 1143430411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140343411 - 2³ = 1140343403 is a prime.

It is a super-2 number, since 2×1140343411² = 2600766190022229842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1140343471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570171705 + 570171706.

It is an arithmetic number, because the mean of its divisors is an integer number (570171706).

Almost surely, 2^1140343411 is an apocalyptic number.

1140343411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140343411 is an equidigital number, since it uses as much as digits as its factorization.

1140343411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1140343411 is about 33768.9711273530. The cubic root of 1140343411 is about 1044.7488116759.

Adding to 1140343411 its reverse (1143430411), we get a palindrome (2283773822).

The spelling of 1140343411 in words is "one billion, one hundred forty million, three hundred forty-three thousand, four hundred eleven".