4171087918791 has 16 divisors (see below), whose sum is σ = 6179604787200. Its totient is φ = 2780628404184.

The previous prime is 4171087918759. The next prime is 4171087918819. The reversal of 4171087918791 is 1978197801714.

It is not a de Polignac number, because 4171087918791 - 2⁵ = 4171087918759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4171087918741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897351 + ... + 3455736.

It is an arithmetic number, because the mean of its divisors is an integer number (386225299200).

Almost surely, 2^{4171087918791} is an apocalyptic number.

4171087918791 is a deficient number, since it is larger than the sum of its proper divisors (2008516868409).

4171087918791 is a wasteful number, since it uses less digits than its factorization.

4171087918791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381955 (or 5381949 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 63.

The spelling of 4171087918791 in words is "four trillion, one hundred seventy-one billion, eighty-seven million, nine hundred eighteen thousand, seven hundred ninety-one".