52021501705171 has 2 divisors, whose sum is σ = 52021501705172. Its totient is φ = 52021501705170.

The previous prime is 52021501705163. The next prime is 52021501705181. The reversal of 52021501705171 is 17150710512025.

52021501705171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52021501705171 - 2³ = 52021501705163 is a prime.

It is a super-2 number, since 2×52021501705171² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52021501705171.

It is not a weakly prime, because it can be changed into another prime (52021501705181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010750852585 + 26010750852586.

It is an arithmetic number, because the mean of its divisors is an integer number (26010750852586).

Almost surely, 2^{52021501705171} is an apocalyptic number.

52021501705171 is a deficient number, since it is larger than the sum of its proper divisors (1).

52021501705171 is an equidigital number, since it uses as much as digits as its factorization.

52021501705171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24500, while the sum is 37.

The spelling of 52021501705171 in words is "fifty-two trillion, twenty-one billion, five hundred one million, seven hundred five thousand, one hundred seventy-one".