2880261762561 has 6 divisors (see below), whose sum is σ = 4160378101490. Its totient is φ = 1920174508368.

The previous prime is 2880261762533. The next prime is 2880261762563. The reversal of 2880261762561 is 1652671620882.

2880261762561 is a `hidden beast` number, since 2 + 8 + 8 + 0 + 2 + 6 + 1 + 7 + 625 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2449322030961 + 430939731600 = 1565031^2 + 656460^2 .

It is not a de Polignac number, because 2880261762561 - 2⁴¹ = 681238507009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2880261762498 and 2880261762507.

It is not an unprimeable number, because it can be changed into a prime (2880261762563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160014542356 + ... + 160014542373.

Almost surely, 2^{2880261762561} is an apocalyptic number.

It is an amenable number.

2880261762561 is a deficient number, since it is larger than the sum of its proper divisors (1280116338929).

2880261762561 is a wasteful number, since it uses less digits than its factorization.

2880261762561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320029084735 (or 320029084732 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 2880261762561 in words is "two trillion, eight hundred eighty billion, two hundred sixty-one million, seven hundred sixty-two thousand, five hundred sixty-one".