500161045271 has 2 divisors, whose sum is σ = 500161045272. Its totient is φ = 500161045270.

The previous prime is 500161045259. The next prime is 500161045297. The reversal of 500161045271 is 172540161005.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500161045271 is a prime.

It is a super-2 number, since 2×500161045271² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500161045171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250080522635 + 250080522636.

It is an arithmetic number, because the mean of its divisors is an integer number (250080522636).

Almost surely, 2^500161045271 is an apocalyptic number.

500161045271 is a deficient number, since it is larger than the sum of its proper divisors (1).

500161045271 is an equidigital number, since it uses as much as digits as its factorization.

500161045271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 500161045271 in words is "five hundred billion, one hundred sixty-one million, forty-five thousand, two hundred seventy-one".