2718118081 has 16 divisors (see below), whose sum is σ = 3255091200. Its totient is φ = 2219163408.

The previous prime is 2718118079. The next prime is 2718118129. The reversal of 2718118081 is 1808118172.

It is not a de Polignac number, because 2718118081 - 2¹ = 2718118079 is a prime.

It is a super-2 number, since 2×2718118081² = 14776331804518245122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2718118081.

It is not an unprimeable number, because it can be changed into a prime (2718118031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160 + ... + 73798.

It is an arithmetic number, because the mean of its divisors is an integer number (203443200).

Almost surely, 2^2718118081 is an apocalyptic number.

It is an amenable number.

2718118081 is a deficient number, since it is larger than the sum of its proper divisors (536973119).

2718118081 is a wasteful number, since it uses less digits than its factorization.

2718118081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70908.

The product of its (nonzero) digits is 7168, while the sum is 37.

The square root of 2718118081 is about 52135.5740449839. The cubic root of 2718118081 is about 1395.5844009405.

Subtracting from 2718118081 its reverse (1808118172), we obtain a palindrome (909999909).

The spelling of 2718118081 in words is "two billion, seven hundred eighteen million, one hundred eighteen thousand, eighty-one".