671270747505055 has 16 divisors (see below), whose sum is σ = 815210638489440. Its totient is φ = 530568842940928.

The previous prime is 671270747504983. The next prime is 671270747505067. The reversal of 671270747505055 is 550505747072176.

It is a cyclic number.

It is not a de Polignac number, because 671270747505055 - 2⁹ = 671270747504543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671270747504984 and 671270747505002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587298742 + ... + 588440611.

It is an arithmetic number, because the mean of its divisors is an integer number (50950664905590).

Almost surely, 2^{671270747505055} is an apocalyptic number.

671270747505055 is a deficient number, since it is larger than the sum of its proper divisors (143939890984385).

671270747505055 is a wasteful number, since it uses less digits than its factorization.

671270747505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175740730.

The product of its (nonzero) digits is 72030000, while the sum is 61.

The spelling of 671270747505055 in words is "six hundred seventy-one trillion, two hundred seventy billion, seven hundred forty-seven million, five hundred five thousand, fifty-five".