1120543141321 has 2 divisors, whose sum is σ = 1120543141322. Its totient is φ = 1120543141320.

The previous prime is 1120543141309. The next prime is 1120543141387. The reversal of 1120543141321 is 1231413450211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 587577439296 + 532965702025 = 766536^2 + 730045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120543141321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120543141321.

It is not a weakly prime, because it can be changed into another prime (1120543141301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560271570660 + 560271570661.

It is an arithmetic number, because the mean of its divisors is an integer number (560271570661).

Almost surely, 2^{1120543141321} is an apocalyptic number.

It is an amenable number.

1120543141321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120543141321 is an equidigital number, since it uses as much as digits as its factorization.

1120543141321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 1120543141321 its reverse (1231413450211), we get a palindrome (2351956591532).

The spelling of 1120543141321 in words is "one trillion, one hundred twenty billion, five hundred forty-three million, one hundred forty-one thousand, three hundred twenty-one".