1140144111 has 12 divisors (see below), whose sum is σ = 1663854192. Its totient is φ = 752259456.

The previous prime is 1140144091. The next prime is 1140144121. The reversal of 1140144111 is 1114410411.

It is not a de Polignac number, because 1140144111 - 2⁵ = 1140144079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140144121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 652131 + ... + 653876.

It is an arithmetic number, because the mean of its divisors is an integer number (138654516).

Almost surely, 2^1140144111 is an apocalyptic number.

1140144111 is a deficient number, since it is larger than the sum of its proper divisors (523710081).

1140144111 is a wasteful number, since it uses less digits than its factorization.

1140144111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306110 (or 1306107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1140144111 is about 33766.0200645560. The cubic root of 1140144111 is about 1044.6879438801.

Adding to 1140144111 its reverse (1114410411), we get a palindrome (2254554522).

The spelling of 1140144111 in words is "one billion, one hundred forty million, one hundred forty-four thousand, one hundred eleven".