18852418955 has 4 divisors (see below), whose sum is σ = 22622902752. Its totient is φ = 15081935160.

The previous prime is 18852418931. The next prime is 18852418987. The reversal of 18852418955 is 55981425881.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 18852418955 - 2⁸ = 18852418699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18852418955.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1885241891 + ... + 1885241900.

It is an arithmetic number, because the mean of its divisors is an integer number (5655725688).

Almost surely, 2^18852418955 is an apocalyptic number.

18852418955 is a deficient number, since it is larger than the sum of its proper divisors (3770483797).

18852418955 is an equidigital number, since it uses as much as digits as its factorization.

18852418955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770483796.

The product of its digits is 4608000, while the sum is 56.

The spelling of 18852418955 in words is "eighteen billion, eight hundred fifty-two million, four hundred eighteen thousand, nine hundred fifty-five".