43032041161 has 2 divisors, whose sum is σ = 43032041162. Its totient is φ = 43032041160.

The previous prime is 43032041159. The next prime is 43032041167. The reversal of 43032041161 is 16114023034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39777909136 + 3254132025 = 199444^2 + 57045^2 .

It is a cyclic number.

It is not a de Polignac number, because 43032041161 - 2¹ = 43032041159 is a prime.

Together with 43032041159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43032041167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21516020580 + 21516020581.

It is an arithmetic number, because the mean of its divisors is an integer number (21516020581).

Almost surely, 2^43032041161 is an apocalyptic number.

It is an amenable number.

43032041161 is a deficient number, since it is larger than the sum of its proper divisors (1).

43032041161 is an equidigital number, since it uses as much as digits as its factorization.

43032041161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 43032041161 its reverse (16114023034), we get a palindrome (59146064195).

The spelling of 43032041161 in words is "forty-three billion, thirty-two million, forty-one thousand, one hundred sixty-one".