5081018017 has 4 divisors (see below), whose sum is σ = 5244921856. Its totient is φ = 4917114180.

The previous prime is 5081018003. The next prime is 5081018053. The reversal of 5081018017 is 7108101805.

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 a cyclic number.

It is not a de Polignac number, because 5081018017 - 2¹⁹ = 5080493729 is a prime.

It is a super-2 number, since 2×5081018017² = 51633488178157224578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 163903807 = 5081018017 / (5 + 0 + 8 + 1 + 0 + 1 + 8 + 0 + 1 + 7).

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 5081018017.

It is not an unprimeable number, because it can be changed into a prime (5081018317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81951873 + ... + 81951934.

It is an arithmetic number, because the mean of its divisors is an integer number (1311230464).

Almost surely, 2^5081018017 is an apocalyptic number.

It is an amenable number.

5081018017 is a deficient number, since it is larger than the sum of its proper divisors (163903839).

5081018017 is a wasteful number, since it uses less digits than its factorization.

5081018017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163903838.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 5081018017 is about 71281.2599285394. The cubic root of 5081018017 is about 1719.1624298861.

The spelling of 5081018017 in words is "five billion, eighty-one million, eighteen thousand, seventeen".