5605505505611 has 8 divisors (see below), whose sum is σ = 6175642430448. Its totient is φ = 5045459500000.

The previous prime is 5605505505581. The next prime is 5605505505623. The reversal of 5605505505611 is 1165055055065.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5605505505611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5605505505211) 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 7 ways as a sum of consecutive naturals, for example, 2522728640 + ... + 2522730861.

It is an arithmetic number, because the mean of its divisors is an integer number (771955303806).

Almost surely, 2^{5605505505611} is an apocalyptic number.

5605505505611 is a deficient number, since it is larger than the sum of its proper divisors (570136924837).

5605505505611 is a wasteful number, since it uses less digits than its factorization.

5605505505611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045459613.

The product of its (nonzero) digits is 562500, while the sum is 44.

It can be divided in two parts, 5605505 and 505611, that added together give a palindrome (6111116).

The spelling of 5605505505611 in words is "five trillion, six hundred five billion, five hundred five million, five hundred five thousand, six hundred eleven".