4143121040045 has 32 divisors (see below), whose sum is σ = 5424754319712. Its totient is φ = 3019443904512.

The previous prime is 4143121040041. The next prime is 4143121040063. The reversal of 4143121040045 is 5400401213414.

It can be written as a sum of positive squares in 16 ways, for example, as 2953771571716 + 1189349468329 = 1718654^2 + 1090573^2 .

It is a cyclic number.

It is not a de Polignac number, because 4143121040045 - 2² = 4143121040041 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143121040041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 500927 + ... + 2921843.

It is an arithmetic number, because the mean of its divisors is an integer number (169523572491).

Almost surely, 2^{4143121040045} is an apocalyptic number.

It is an amenable number.

4143121040045 is a deficient number, since it is larger than the sum of its proper divisors (1281633279667).

4143121040045 is a wasteful number, since it uses less digits than its factorization.

4143121040045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421281.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 4143121040045 its reverse (5400401213414), we get a palindrome (9543522253459).

The spelling of 4143121040045 in words is "four trillion, one hundred forty-three billion, one hundred twenty-one million, forty thousand, forty-five".