18824191105 has 16 divisors (see below), whose sum is σ = 22743861120. Its totient is φ = 14956265088.

The previous prime is 18824191091. The next prime is 18824191123. The reversal of 18824191105 is 50119142881.

It is a cyclic number.

It is not a de Polignac number, because 18824191105 - 2¹¹ = 18824189057 is a prime.

It is a super-2 number, since 2×18824191105² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250061 + ... + 1265029.

It is an arithmetic number, because the mean of its divisors is an integer number (1421491320).

Almost surely, 2^18824191105 is an apocalyptic number.

It is an amenable number.

18824191105 is a deficient number, since it is larger than the sum of its proper divisors (3919670015).

18824191105 is a wasteful number, since it uses less digits than its factorization.

18824191105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16680.

The product of its (nonzero) digits is 23040, while the sum is 40.

The spelling of 18824191105 in words is "eighteen billion, eight hundred twenty-four million, one hundred ninety-one thousand, one hundred five".