2768561572855 has 16 divisors (see below), whose sum is σ = 3586331869344. Its totient is φ = 2039619980160.

The previous prime is 2768561572817. The next prime is 2768561572901. The reversal of 2768561572855 is 5582751658672.

It is not a de Polignac number, because 2768561572855 - 2¹⁹ = 2768561048567 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, 50558449 + ... + 50613178.

It is an arithmetic number, because the mean of its divisors is an integer number (224145741834).

Almost surely, 2^{2768561572855} is an apocalyptic number.

2768561572855 is a deficient number, since it is larger than the sum of its proper divisors (817770296489).

2768561572855 is a wasteful number, since it uses less digits than its factorization.

2768561572855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101172066.

The product of its digits is 282240000, while the sum is 67.

The spelling of 2768561572855 in words is "two trillion, seven hundred sixty-eight billion, five hundred sixty-one million, five hundred seventy-two thousand, eight hundred fifty-five".