2818255885652 has 12 divisors (see below), whose sum is σ = 4987362944340. Its totient is φ = 1393295044416.

The previous prime is 2818255885649. The next prime is 2818255885663. The reversal of 2818255885652 is 2565885528182.

It can be written as a sum of positive squares in 2 ways, for example, as 234765444676 + 2583490440976 = 484526^2 + 1607324^2 .

It is a congruent number.

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, 3958224203 + ... + 3958224914.

It is an arithmetic number, because the mean of its divisors is an integer number (415613578695).

Almost surely, 2^{2818255885652} is an apocalyptic number.

It is an amenable number.

2818255885652 is a deficient number, since it is larger than the sum of its proper divisors (2169107058688).

2818255885652 is a wasteful number, since it uses less digits than its factorization.

2818255885652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7916449210 (or 7916449208 counting only the distinct ones).

The product of its digits is 122880000, while the sum is 65.

The spelling of 2818255885652 in words is "two trillion, eight hundred eighteen billion, two hundred fifty-five million, eight hundred eighty-five thousand, six hundred fifty-two".