5016518561 has 4 divisors (see below), whose sum is σ = 5087173824. Its totient is φ = 4945863300.

The previous prime is 5016518543. The next prime is 5016518623. The reversal of 5016518561 is 1658156105.

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 5016518561 - 2³⁰ = 3942776737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5016518501) 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, 35327525 + ... + 35327666.

It is an arithmetic number, because the mean of its divisors is an integer number (1271793456).

Almost surely, 2^5016518561 is an apocalyptic number.

It is an amenable number.

5016518561 is a deficient number, since it is larger than the sum of its proper divisors (70655263).

5016518561 is an equidigital number, since it uses as much as digits as its factorization.

5016518561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70655262.

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 5016518561 is about 70827.3856710806. The cubic root of 5016518561 is about 1711.8569662115.

The spelling of 5016518561 in words is "five billion, sixteen million, five hundred eighteen thousand, five hundred sixty-one".