1140111043 has 4 divisors (see below), whose sum is σ = 1140179040. Its totient is φ = 1140043048.

The previous prime is 1140111041. The next prime is 1140111047. The reversal of 1140111043 is 3401110411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1140111043 - 2¹ = 1140111041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140111041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11046 + ... + 49012.

It is an arithmetic number, because the mean of its divisors is an integer number (285044760).

Almost surely, 2^1140111043 is an apocalyptic number.

1140111043 is a deficient number, since it is larger than the sum of its proper divisors (67997).

1140111043 is an equidigital number, since it uses as much as digits as its factorization.

1140111043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67996.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1140111043 is about 33765.5303971373. The cubic root of 1140111043 is about 1044.6778439654.

Adding to 1140111043 its reverse (3401110411), we get a palindrome (4541221454).

The spelling of 1140111043 in words is "one billion, one hundred forty million, one hundred eleven thousand, forty-three".