18804520612804 has 12 divisors (see below), whose sum is σ = 33233731974828. Its totient is φ = 9309168620000.

The previous prime is 18804520612739. The next prime is 18804520612817. The reversal of 18804520612804 is 40821602540881.

It can be written as a sum of positive squares in 2 ways, for example, as 11671775294404 + 7132745318400 = 3416398^2 + 2670720^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23272921147 + ... + 23272921954.

It is an arithmetic number, because the mean of its divisors is an integer number (2769477664569).

Almost surely, 2^{18804520612804} is an apocalyptic number.

It is an amenable number.

18804520612804 is a deficient number, since it is larger than the sum of its proper divisors (14429211362024).

18804520612804 is a wasteful number, since it uses less digits than its factorization.

18804520612804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46545843206 (or 46545843204 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 49.

The spelling of 18804520612804 in words is "eighteen trillion, eight hundred four billion, five hundred twenty million, six hundred twelve thousand, eight hundred four".