18705855303308 has 48 divisors (see below), whose sum is σ = 33757009413120. Its totient is φ = 9065685888000.

The previous prime is 18705855303299. The next prime is 18705855303347. The reversal of 18705855303308 is 80330355850781.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20045408 + ... + 20957816.

It is an arithmetic number, because the mean of its divisors is an integer number (703271029440).

Almost surely, 2^{18705855303308} is an apocalyptic number.

It is an amenable number.

18705855303308 is a deficient number, since it is larger than the sum of its proper divisors (15051154109812).

18705855303308 is a wasteful number, since it uses less digits than its factorization.

18705855303308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913698 (or 913696 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 56.

The spelling of 18705855303308 in words is "eighteen trillion, seven hundred five billion, eight hundred fifty-five million, three hundred three thousand, three hundred eight".