5318555081 has 8 divisors (see below), whose sum is σ = 6079191360. Its totient is φ = 4558129488.

The previous prime is 5318555063. The next prime is 5318555101. The reversal of 5318555081 is 1805558135.

It is a happy number.

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 5318555081 - 2⁶ = 5318555017 is a prime.

It is a super-2 number, since 2×5318555081² = 56574056299261833122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5318555041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750 + ... + 103296.

It is an arithmetic number, because the mean of its divisors is an integer number (759898920).

Almost surely, 2^5318555081 is an apocalyptic number.

It is an amenable number.

5318555081 is a deficient number, since it is larger than the sum of its proper divisors (760636279).

5318555081 is an equidigital number, since it uses as much as digits as its factorization.

5318555081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105343.

The product of its (nonzero) digits is 120000, while the sum is 41.

The square root of 5318555081 is about 72928.4243693774. The cubic root of 5318555081 is about 1745.5456875817.

The spelling of 5318555081 in words is "five billion, three hundred eighteen million, five hundred fifty-five thousand, eighty-one".