1130043040321 has 18 divisors (see below), whose sum is σ = 1250245663062. Its totient is φ = 1020922344000.

The previous prime is 1130043040309. The next prime is 1130043040327. The reversal of 1130043040321 is 1230403400311.

It can be written as a sum of positive squares in 3 ways, for example, as 40182207025 + 1089860833296 = 200455^2 + 1043964^2 .

It is not a de Polignac number, because 1130043040321 - 2¹⁵ = 1130043007553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130043040292 and 1130043040301.

It is not an unprimeable number, because it can be changed into a prime (1130043040327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1140180 + ... + 1886821.

Almost surely, 2^{1130043040321} is an apocalyptic number.

It is an amenable number.

1130043040321 is a deficient number, since it is larger than the sum of its proper divisors (120202622741).

1130043040321 is an equidigital number, since it uses as much as digits as its factorization.

1130043040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027121 (or 3027061 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1130043040321 its reverse (1230403400311), we get a palindrome (2360446440632).

The spelling of 1130043040321 in words is "one trillion, one hundred thirty billion, forty-three million, forty thousand, three hundred twenty-one".