2855565699648 has 56 divisors (see below), whose sum is σ = 7557274903200. Its totient is φ = 951612840960.

The previous prime is 2855565699643. The next prime is 2855565699673. The reversal of 2855565699648 is 8469965655582.

It is not an unprimeable number, because it can be changed into a prime (2855565699643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136973 + ... + 2646476.

Almost surely, 2^{2855565699648} is an apocalyptic number.

It is an amenable number.

2855565699648 is an abundant number, since it is smaller than the sum of its proper divisors (4701709203552).

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

2855565699648 is a wasteful number, since it uses less digits than its factorization.

2855565699648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787395 (or 3787385 counting only the distinct ones).

The product of its digits is 5598720000, while the sum is 78.

The spelling of 2855565699648 in words is "two trillion, eight hundred fifty-five billion, five hundred sixty-five million, six hundred ninety-nine thousand, six hundred forty-eight".