1140043311 has 12 divisors (see below), whose sum is σ = 1796432040. Its totient is φ = 690935280.

The previous prime is 1140043291. The next prime is 1140043337. The reversal of 1140043311 is 1133400411.

It is not a de Polignac number, because 1140043311 - 2¹⁹ = 1139519023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140043211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5757696 + ... + 5757893.

It is an arithmetic number, because the mean of its divisors is an integer number (149702670).

Almost surely, 2^1140043311 is an apocalyptic number.

1140043311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1140043311 is a deficient number, since it is larger than the sum of its proper divisors (656388729).

1140043311 is a wasteful number, since it uses less digits than its factorization.

1140043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515606 (or 11515603 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1140043311 is about 33764.5274067326. The cubic root of 1140043311 is about 1044.6571560621.

Adding to 1140043311 its reverse (1133400411), we get a palindrome (2273443722).

The spelling of 1140043311 in words is "one billion, one hundred forty million, forty-three thousand, three hundred eleven".