5116423521 has 16 divisors (see below), whose sum is σ = 7479857088. Its totient is φ = 3085118400.

The previous prime is 5116423519. The next prime is 5116423549. The reversal of 5116423521 is 1253246115.

It is not a de Polignac number, because 5116423521 - 2¹ = 5116423519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5116423121) 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 15 ways as a sum of consecutive naturals, for example, 387010 + ... + 400011.

It is an arithmetic number, because the mean of its divisors is an integer number (467491068).

Almost surely, 2^5116423521 is an apocalyptic number.

It is an amenable number.

5116423521 is a deficient number, since it is larger than the sum of its proper divisors (2363433567).

5116423521 is a wasteful number, since it uses less digits than its factorization.

5116423521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787232.

The product of its digits is 7200, while the sum is 30.

The square root of 5116423521 is about 71529.1795073871. The cubic root of 5116423521 is about 1723.1463413354.

Adding to 5116423521 its reverse (1253246115), we get a palindrome (6369669636).

The spelling of 5116423521 in words is "five billion, one hundred sixteen million, four hundred twenty-three thousand, five hundred twenty-one".