43045351331121 has 8 divisors (see below), whose sum is σ = 63770890860960. Its totient is φ = 28696900887396.

The previous prime is 43045351331107. The next prime is 43045351331149. The reversal of 43045351331121 is 12113315354034.

43045351331121 is a `hidden beast` number, since 4 + 3 + 0 + 4 + 535 + 1 + 3 + 3 + 112 + 1 = 666.

It is not a de Polignac number, because 43045351331121 - 2²¹ = 43045349233969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43045351381121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797136135735 + ... + 797136135788.

It is an arithmetic number, because the mean of its divisors is an integer number (7971361357620).

Almost surely, 2^{43045351331121} is an apocalyptic number.

It is an amenable number.

43045351331121 is a deficient number, since it is larger than the sum of its proper divisors (20725539529839).

43045351331121 is a wasteful number, since it uses less digits than its factorization.

43045351331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594272271532 (or 1594272271526 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 43045351331121 its reverse (12113315354034), we get a palindrome (55158666685155).

The spelling of 43045351331121 in words is "forty-three trillion, forty-five billion, three hundred fifty-one million, three hundred thirty-one thousand, one hundred twenty-one".