671113552647 has 16 divisors (see below), whose sum is σ = 931886460000. Its totient is φ = 429081926784.

The previous prime is 671113552609. The next prime is 671113552679. The reversal of 671113552647 is 746255311176.

It is not a de Polignac number, because 671113552647 - 2²⁷ = 670979334919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671113552596 and 671113552605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671113512647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25872772 + ... + 25898697.

It is an arithmetic number, because the mean of its divisors is an integer number (58242903750).

Almost surely, 2^671113552647 is an apocalyptic number.

671113552647 is a deficient number, since it is larger than the sum of its proper divisors (260772907353).

671113552647 is a wasteful number, since it uses less digits than its factorization.

671113552647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51771650.

The product of its digits is 1058400, while the sum is 48.

The spelling of 671113552647 in words is "six hundred seventy-one billion, one hundred thirteen million, five hundred fifty-two thousand, six hundred forty-seven".