545221051171 has 2 divisors, whose sum is σ = 545221051172. Its totient is φ = 545221051170.

The previous prime is 545221051121. The next prime is 545221051213. The reversal of 545221051171 is 171150122545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545221051171 - 2⁹ = 545221050659 is a prime.

It is not a weakly prime, because it can be changed into another prime (545221051121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272610525585 + 272610525586.

It is an arithmetic number, because the mean of its divisors is an integer number (272610525586).

Almost surely, 2^545221051171 is an apocalyptic number.

545221051171 is a deficient number, since it is larger than the sum of its proper divisors (1).

545221051171 is an equidigital number, since it uses as much as digits as its factorization.

545221051171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14000, while the sum is 34.

The spelling of 545221051171 in words is "five hundred forty-five billion, two hundred twenty-one million, fifty-one thousand, one hundred seventy-one".