4161156545443 has 2 divisors, whose sum is σ = 4161156545444. Its totient is φ = 4161156545442.

The previous prime is 4161156545341. The next prime is 4161156545459. The reversal of 4161156545443 is 3445456511614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4161156545443 - 2²⁹ = 4160619674531 is a prime.

It is not a weakly prime, because it can be changed into another prime (4161156545473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080578272721 + 2080578272722.

It is an arithmetic number, because the mean of its divisors is an integer number (2080578272722).

Almost surely, 2^{4161156545443} is an apocalyptic number.

4161156545443 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161156545443 is an equidigital number, since it uses as much as digits as its factorization.

4161156545443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456000, while the sum is 49.

The spelling of 4161156545443 in words is "four trillion, one hundred sixty-one billion, one hundred fifty-six million, five hundred forty-five thousand, four hundred forty-three".