18463809175055 has 8 divisors (see below), whose sum is σ = 22197076627632. Its totient is φ = 14744043595008.

The previous prime is 18463809175043. The next prime is 18463809175127. The reversal of 18463809175055 is 55057190836481.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18463809175055 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 3375465122 + ... + 3375470591.

It is an arithmetic number, because the mean of its divisors is an integer number (2774634578454).

Almost surely, 2^{18463809175055} is an apocalyptic number.

18463809175055 is a deficient number, since it is larger than the sum of its proper divisors (3733267452577).

18463809175055 is an equidigital number, since it uses as much as digits as its factorization.

18463809175055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750936265.

The product of its (nonzero) digits is 36288000, while the sum is 62.

The spelling of 18463809175055 in words is "eighteen trillion, four hundred sixty-three billion, eight hundred nine million, one hundred seventy-five thousand, fifty-five".