2881118285 has 4 divisors (see below), whose sum is σ = 3457341948. Its totient is φ = 2304894624.

The previous prime is 2881118263. The next prime is 2881118287. The reversal of 2881118285 is 5828111882.

2881118285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 711235561 + 2169882724 = 26669^2 + 46582^2 .

It is a cyclic number.

It is not a de Polignac number, because 2881118285 - 2⁶ = 2881118221 is a prime.

It is a super-2 number, since 2×2881118285² = 16601685144322682450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881118287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288111824 + ... + 288111833.

It is an arithmetic number, because the mean of its divisors is an integer number (864335487).

Almost surely, 2^2881118285 is an apocalyptic number.

It is an amenable number.

2881118285 is a deficient number, since it is larger than the sum of its proper divisors (576223663).

2881118285 is an equidigital number, since it uses as much as digits as its factorization.

2881118285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576223662.

The product of its digits is 81920, while the sum is 44.

The square root of 2881118285 is about 53676.0494541094. The cubic root of 2881118285 is about 1422.9414470605.

The spelling of 2881118285 in words is "two billion, eight hundred eighty-one million, one hundred eighteen thousand, two hundred eighty-five".