18285603868375 has 64 divisors (see below), whose sum is σ = 23121913651200. Its totient is φ = 14436908640000.

The previous prime is 18285603868349. The next prime is 18285603868387. The reversal of 18285603868375 is 57386830658281.

It is not a de Polignac number, because 18285603868375 - 2⁹ = 18285603867863 is a prime.

It is a super-2 number, since 2×18285603868375² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1558736260 + ... + 1558747990.

It is an arithmetic number, because the mean of its divisors is an integer number (361279900800).

Almost surely, 2^{18285603868375} is an apocalyptic number.

18285603868375 is a deficient number, since it is larger than the sum of its proper divisors (4836309782825).

18285603868375 is a wasteful number, since it uses less digits than its factorization.

18285603868375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449 (or 12439 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 70.

The spelling of 18285603868375 in words is "eighteen trillion, two hundred eighty-five billion, six hundred three million, eight hundred sixty-eight thousand, three hundred seventy-five".