671115766113 has 48 divisors (see below), whose sum is σ = 1128603228480. Its totient is φ = 380683193472.

The previous prime is 671115766103. The next prime is 671115766121. The reversal of 671115766113 is 311667511176.

671115766113 is a `hidden beast` number, since 6 + 7 + 1 + 1 + 1 + 576 + 61 + 13 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-671115766113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671115766103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3997431 + ... + 4161932.

It is an arithmetic number, because the mean of its divisors is an integer number (23512567260).

Almost surely, 2^671115766113 is an apocalyptic number.

It is an amenable number.

671115766113 is a deficient number, since it is larger than the sum of its proper divisors (457487462367).

671115766113 is a wasteful number, since it uses less digits than its factorization.

671115766113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8159438 (or 8159435 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The spelling of 671115766113 in words is "six hundred seventy-one billion, one hundred fifteen million, seven hundred sixty-six thousand, one hundred thirteen".