1143004144421 has 2 divisors, whose sum is σ = 1143004144422. Its totient is φ = 1143004144420.

The previous prime is 1143004144393. The next prime is 1143004144481. The reversal of 1143004144421 is 1244414003411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1142677619521 + 326524900 = 1068961^2 + 18070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143004144421 - 2⁶ = 1143004144357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143004144481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571502072210 + 571502072211.

It is an arithmetic number, because the mean of its divisors is an integer number (571502072211).

Almost surely, 2^{1143004144421} is an apocalyptic number.

It is an amenable number.

1143004144421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143004144421 is an equidigital number, since it uses as much as digits as its factorization.

1143004144421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1143004144421 its reverse (1244414003411), we get a palindrome (2387418147832).

The spelling of 1143004144421 in words is "one trillion, one hundred forty-three billion, four million, one hundred forty-four thousand, four hundred twenty-one".