5118456081 has 4 divisors (see below), whose sum is σ = 6824608112. Its totient is φ = 3412304052.

The previous prime is 5118456043. The next prime is 5118456107. The reversal of 5118456081 is 1806548115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5118456081 - 2⁶ = 5118456017 is a prime.

It is a super-2 number, since 2×5118456081² = 52397185306251757122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5118456881) 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 3 ways as a sum of consecutive naturals, for example, 853076011 + ... + 853076016.

It is an arithmetic number, because the mean of its divisors is an integer number (1706152028).

Almost surely, 2^5118456081 is an apocalyptic number.

It is an amenable number.

5118456081 is a deficient number, since it is larger than the sum of its proper divisors (1706152031).

5118456081 is a wasteful number, since it uses less digits than its factorization.

5118456081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706152030.

The product of its (nonzero) digits is 38400, while the sum is 39.

The square root of 5118456081 is about 71543.3860045777. The cubic root of 5118456081 is about 1723.3744912416.

The spelling of 5118456081 in words is "five billion, one hundred eighteen million, four hundred fifty-six thousand, eighty-one".