671571516255 has 16 divisors (see below), whose sum is σ = 1097376436224. Its totient is φ = 350550805280.

The previous prime is 671571516227. The next prime is 671571516257. The reversal of 671571516255 is 552615175176.

It is not a de Polignac number, because 671571516255 - 2⁹ = 671571515743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671571516198 and 671571516207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671571516257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476291151 + ... + 476292560.

It is an arithmetic number, because the mean of its divisors is an integer number (68586027264).

Almost surely, 2^671571516255 is an apocalyptic number.

671571516255 is a deficient number, since it is larger than the sum of its proper divisors (425804919969).

671571516255 is a wasteful number, since it uses less digits than its factorization.

671571516255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952583766.

The product of its digits is 2205000, while the sum is 51.

The spelling of 671571516255 in words is "six hundred seventy-one billion, five hundred seventy-one million, five hundred sixteen thousand, two hundred fifty-five".