8555807245171 has 2 divisors, whose sum is σ = 8555807245172. Its totient is φ = 8555807245170.

The previous prime is 8555807245109. The next prime is 8555807245199. The reversal of 8555807245171 is 1715427085558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8555807245171 - 2³⁷ = 8418368291699 is a prime.

It is a super-2 number, since 2×8555807245171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8555807246171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4277903622585 + 4277903622586.

It is an arithmetic number, because the mean of its divisors is an integer number (4277903622586).

Almost surely, 2^{8555807245171} is an apocalyptic number.

8555807245171 is a deficient number, since it is larger than the sum of its proper divisors (1).

8555807245171 is an equidigital number, since it uses as much as digits as its factorization.

8555807245171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680000, while the sum is 58.

The spelling of 8555807245171 in words is "eight trillion, five hundred fifty-five billion, eight hundred seven million, two hundred forty-five thousand, one hundred seventy-one".