2805053055064 has 64 divisors (see below), whose sum is σ = 5861158380000. Its totient is φ = 1249613783040.

The previous prime is 2805053055059. The next prime is 2805053055089. The reversal of 2805053055064 is 4605503505082.

It is a self number, because there is not a number n which added to its sum of digits gives 2805053055064.

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, 9808824 + ... + 10090744.

Almost surely, 2^{2805053055064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2805053055064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2930579190000).

2805053055064 is an abundant number, since it is smaller than the sum of its proper divisors (3056105324936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2805053055064 is a wasteful number, since it uses less digits than its factorization.

2805053055064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285268 (or 285264 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 2805053055064 in words is "two trillion, eight hundred five billion, fifty-three million, fifty-five thousand, sixty-four".