671155501301063 has 2 divisors, whose sum is σ = 671155501301064. Its totient is φ = 671155501301062.

The previous prime is 671155501301017. The next prime is 671155501301143. The reversal of 671155501301063 is 360103105551176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671155501301063 - 2²⁴ = 671155484523847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671155501301003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335577750650531 + 335577750650532.

It is an arithmetic number, because the mean of its divisors is an integer number (335577750650532).

Almost surely, 2^{671155501301063} is an apocalyptic number.

671155501301063 is a deficient number, since it is larger than the sum of its proper divisors (1).

671155501301063 is an equidigital number, since it uses as much as digits as its factorization.

671155501301063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 671155501301063 in words is "six hundred seventy-one trillion, one hundred fifty-five billion, five hundred one million, three hundred one thousand, sixty-three".