18888041613485 has 8 divisors (see below), whose sum is σ = 24726163566816. Its totient is φ = 13736757537040.

The previous prime is 18888041613457. The next prime is 18888041613509. The reversal of 18888041613485 is 58431614088881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18888041613485 - 2²⁰ = 18888040564909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171709469159 + ... + 171709469268.

It is an arithmetic number, because the mean of its divisors is an integer number (3090770445852).

Almost surely, 2^{18888041613485} is an apocalyptic number.

It is an amenable number.

18888041613485 is a deficient number, since it is larger than the sum of its proper divisors (5838121953331).

18888041613485 is a wasteful number, since it uses less digits than its factorization.

18888041613485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343418938443.

The product of its (nonzero) digits is 47185920, while the sum is 65.

The spelling of 18888041613485 in words is "eighteen trillion, eight hundred eighty-eight billion, forty-one million, six hundred thirteen thousand, four hundred eighty-five".