18717888211675 has 12 divisors (see below), whose sum is σ = 23210581912056. Its totient is φ = 14974052163200.

The previous prime is 18717888211667. The next prime is 18717888211691. The reversal of 18717888211675 is 57611288871781.

It is not a de Polignac number, because 18717888211675 - 2³ = 18717888211667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4975774 + ... + 7886323.

It is an arithmetic number, because the mean of its divisors is an integer number (1934215159338).

Almost surely, 2^{18717888211675} is an apocalyptic number.

18717888211675 is a deficient number, since it is larger than the sum of its proper divisors (4492693700381).

18717888211675 is a wasteful number, since it uses less digits than its factorization.

18717888211675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920318 (or 12920313 counting only the distinct ones).

The product of its digits is 84295680, while the sum is 70.

The spelling of 18717888211675 in words is "eighteen trillion, seven hundred seventeen billion, eight hundred eighty-eight million, two hundred eleven thousand, six hundred seventy-five".