10218581855 has 16 divisors (see below), whose sum is σ = 12384088704. Its totient is φ = 8093761440.

The previous prime is 10218581827. The next prime is 10218581909. The reversal of 10218581855 is 55818581201.

10218581855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10218581855 - 2¹⁰ = 10218580831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1135604 + ... + 1144566.

It is an arithmetic number, because the mean of its divisors is an integer number (774005544).

Almost surely, 2^10218581855 is an apocalyptic number.

10218581855 is a deficient number, since it is larger than the sum of its proper divisors (2165506849).

10218581855 is a wasteful number, since it uses less digits than its factorization.

10218581855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11206.

The product of its (nonzero) digits is 128000, while the sum is 44.

The spelling of 10218581855 in words is "ten billion, two hundred eighteen million, five hundred eighty-one thousand, eight hundred fifty-five".