18882003855313 has 4 divisors (see below), whose sum is σ = 19283748618240. Its totient is φ = 18480259092388.

The previous prime is 18882003855163. The next prime is 18882003855361. The reversal of 18882003855313 is 31355830028881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18882003855313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18882003855373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200872381393 + ... + 200872381486.

It is an arithmetic number, because the mean of its divisors is an integer number (4820937154560).

Almost surely, 2^{18882003855313} is an apocalyptic number.

It is an amenable number.

18882003855313 is a deficient number, since it is larger than the sum of its proper divisors (401744762927).

18882003855313 is an equidigital number, since it uses as much as digits as its factorization.

18882003855313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401744762926.

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 18882003855313 in words is "eighteen trillion, eight hundred eighty-two billion, three million, eight hundred fifty-five thousand, three hundred thirteen".