2805853069056 has 288 divisors, whose sum is σ = 7685176242240. Its totient is φ = 908476416000.

The previous prime is 2805853069049. The next prime is 2805853069057. The reversal of 2805853069056 is 6509603585082.

It is a super-2 number, since 2×2805853069056² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2805853068987 and 2805853069005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805853069057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3468297580 + ... + 3468298388.

It is an arithmetic number, because the mean of its divisors is an integer number (26684639730).

Almost surely, 2^{2805853069056} 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 2805853069056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3842588121120).

2805853069056 is an abundant number, since it is smaller than the sum of its proper divisors (4879323173184).

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

2805853069056 is a wasteful number, since it uses less digits than its factorization.

2805853069056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 57.

The spelling of 2805853069056 in words is "two trillion, eight hundred five billion, eight hundred fifty-three million, sixty-nine thousand, fifty-six".