5561105506 has 8 divisors (see below), whose sum is σ = 9099990864. Its totient is φ = 2527775220.

The previous prime is 5561105503. The next prime is 5561105509. The reversal of 5561105506 is 6055011655.

It is an interprime number because it is at equal distance from previous prime (5561105503) and next prime (5561105509).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5561105503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126388740 + ... + 126388783.

It is an arithmetic number, because the mean of its divisors is an integer number (1137498858).

Almost surely, 2^5561105506 is an apocalyptic number.

5561105506 is a deficient number, since it is larger than the sum of its proper divisors (3538885358).

5561105506 is a wasteful number, since it uses less digits than its factorization.

5561105506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252777536.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 5561105506 is about 74572.8201558718. The cubic root of 5561105506 is about 1771.6871892614.

The spelling of 5561105506 in words is "five billion, five hundred sixty-one million, one hundred five thousand, five hundred six".