5561516506 has 16 divisors (see below), whose sum is σ = 10267415424. Its totient is φ = 2200160304.

The previous prime is 5561516489. The next prime is 5561516531. The reversal of 5561516506 is 6056151655.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15278710 + ... + 15279073.

It is an arithmetic number, because the mean of its divisors is an integer number (641713464).

Almost surely, 2^5561516506 is an apocalyptic number.

5561516506 is a deficient number, since it is larger than the sum of its proper divisors (4705898918).

5561516506 is a wasteful number, since it uses less digits than its factorization.

5561516506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30557805.

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 5561516506 is about 74575.5758006601. The cubic root of 5561516506 is about 1771.7308343901.

The spelling of 5561516506 in words is "five billion, five hundred sixty-one million, five hundred sixteen thousand, five hundred six".