47517357161 has 2 divisors, whose sum is σ = 47517357162. Its totient is φ = 47517357160.

The previous prime is 47517357133. The next prime is 47517357179. The reversal of 47517357161 is 16175371574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39449904400 + 8067452761 = 198620^2 + 89819^2 .

It is a cyclic number.

It is not a de Polignac number, because 47517357161 - 2¹⁴ = 47517340777 is a prime.

It is not a weakly prime, because it can be changed into another prime (47517357361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23758678580 + 23758678581.

It is an arithmetic number, because the mean of its divisors is an integer number (23758678581).

Almost surely, 2^47517357161 is an apocalyptic number.

It is an amenable number.

47517357161 is a deficient number, since it is larger than the sum of its proper divisors (1).

47517357161 is an equidigital number, since it uses as much as digits as its factorization.

47517357161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 47.

The spelling of 47517357161 in words is "forty-seven billion, five hundred seventeen million, three hundred fifty-seven thousand, one hundred sixty-one".