1143312421441 has 16 divisors (see below), whose sum is σ = 1170633755200. Its totient is φ = 1116270849600.

The previous prime is 1143312421439. The next prime is 1143312421469. The reversal of 1143312421441 is 1441242133411.

It is a cyclic number.

It is not a de Polignac number, because 1143312421441 - 2¹ = 1143312421439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143312431441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65627230 + ... + 65644648.

It is an arithmetic number, because the mean of its divisors is an integer number (73164609700).

Almost surely, 2^{1143312421441} is an apocalyptic number.

It is an amenable number.

1143312421441 is a deficient number, since it is larger than the sum of its proper divisors (27321333759).

1143312421441 is a wasteful number, since it uses less digits than its factorization.

1143312421441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25360.

The product of its digits is 9216, while the sum is 31.

Adding to 1143312421441 its reverse (1441242133411), we get a palindrome (2584554554852).

The spelling of 1143312421441 in words is "one trillion, one hundred forty-three billion, three hundred twelve million, four hundred twenty-one thousand, four hundred forty-one".