1140044111431 has 4 divisors (see below), whose sum is σ = 1146342697864. Its totient is φ = 1133745525000.

The previous prime is 1140044111411. The next prime is 1140044111441. The reversal of 1140044111431 is 1341114400411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140044111431 - 2¹⁷ = 1140043980359 is a prime.

It is a super-2 number, since 2×1140044111431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140044111396 and 1140044111405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140044111411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3149292945 + ... + 3149293306.

It is an arithmetic number, because the mean of its divisors is an integer number (286585674466).

Almost surely, 2^{1140044111431} is an apocalyptic number.

1140044111431 is a deficient number, since it is larger than the sum of its proper divisors (6298586433).

1140044111431 is an equidigital number, since it uses as much as digits as its factorization.

1140044111431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298586432.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 1140044111431 its reverse (1341114400411), we get a palindrome (2481158511842).

The spelling of 1140044111431 in words is "one trillion, one hundred forty billion, forty-four million, one hundred eleven thousand, four hundred thirty-one".