2559128881 has 8 divisors (see below), whose sum is σ = 2710817280. Its totient is φ = 2407568448.

The previous prime is 2559128849. The next prime is 2559128893. The reversal of 2559128881 is 1888219552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2559128881 - 2⁵ = 2559128849 is a prime.

It is a super-2 number, since 2×2559128881² = 13098281259136624322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2559128821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10840 + ... + 72358.

It is an arithmetic number, because the mean of its divisors is an integer number (338852160).

Almost surely, 2^2559128881 is an apocalyptic number.

It is an amenable number.

2559128881 is a deficient number, since it is larger than the sum of its proper divisors (151688399).

2559128881 is a wasteful number, since it uses less digits than its factorization.

2559128881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63983.

The product of its digits is 460800, while the sum is 49.

The square root of 2559128881 is about 50587.8333297642. The cubic root of 2559128881 is about 1367.8255738488.

The spelling of 2559128881 in words is "two billion, five hundred fifty-nine million, one hundred twenty-eight thousand, eight hundred eighty-one".