18814745248775 has 12 divisors (see below), whose sum is σ = 26663181838512. Its totient is φ = 12901539599040.

The previous prime is 18814745248729. The next prime is 18814745248787. The reversal of 18814745248775 is 57784254741881.

It is a de Polignac number, because none of the positive numbers 2^k-18814745248775 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18814745248699 and 18814745248708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53756414822 + ... + 53756415171.

It is an arithmetic number, because the mean of its divisors is an integer number (2221931819876).

Almost surely, 2^{18814745248775} is an apocalyptic number.

18814745248775 is a deficient number, since it is larger than the sum of its proper divisors (7848436589737).

18814745248775 is a wasteful number, since it uses less digits than its factorization.

18814745248775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107512830010 (or 107512830005 counting only the distinct ones).

The product of its digits is 561971200, while the sum is 71.

The spelling of 18814745248775 in words is "eighteen trillion, eight hundred fourteen billion, seven hundred forty-five million, two hundred forty-eight thousand, seven hundred seventy-five".