5605505511 has 4 divisors (see below), whose sum is σ = 7474007352. Its totient is φ = 3737003672.

The previous prime is 5605505491. The next prime is 5605505551. The reversal of 5605505511 is 1155055065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5605505511 is a prime.

It is a super-2 number, since 2×5605505511² = 62843384067702742242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5605505551) 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, 934250916 + ... + 934250921.

It is an arithmetic number, because the mean of its divisors is an integer number (1868501838).

Almost surely, 2^5605505511 is an apocalyptic number.

5605505511 is a deficient number, since it is larger than the sum of its proper divisors (1868501841).

5605505511 is a wasteful number, since it uses less digits than its factorization.

5605505511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868501840.

The product of its (nonzero) digits is 18750, while the sum is 33.

The square root of 5605505511 is about 74869.9239414600. The cubic root of 5605505511 is about 1776.3897611235.

The spelling of 5605505511 in words is "five billion, six hundred five million, five hundred five thousand, five hundred eleven".