18763538055 has 8 divisors (see below), whose sum is σ = 30021660912. Its totient is φ = 10007220288.

The previous prime is 18763537999. The next prime is 18763538077. The reversal of 18763538055 is 55083536781.

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

It is not a de Polignac number, because 18763538055 - 2⁹ = 18763537543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18763537989 and 18763538007.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 625451254 + ... + 625451283.

It is an arithmetic number, because the mean of its divisors is an integer number (3752707614).

Almost surely, 2^18763538055 is an apocalyptic number.

18763538055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18763538055 is a deficient number, since it is larger than the sum of its proper divisors (11258122857).

18763538055 is a wasteful number, since it uses less digits than its factorization.

18763538055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250902545.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 18763538055 in words is "eighteen billion, seven hundred sixty-three million, five hundred thirty-eight thousand, fifty-five".