5521105511 has 4 divisors (see below), whose sum is σ = 5575770024. Its totient is φ = 5466441000.

The previous prime is 5521105507. The next prime is 5521105517. The reversal of 5521105511 is 1155011255.

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

It is a cyclic number.

It is not a de Polignac number, because 5521105511 - 2² = 5521105507 is a prime.

It is a super-2 number, since 2×5521105511² = 60965212127189142242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521105517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27332105 + ... + 27332306.

It is an arithmetic number, because the mean of its divisors is an integer number (1393942506).

Almost surely, 2^5521105511 is an apocalyptic number.

5521105511 is a deficient number, since it is larger than the sum of its proper divisors (54664513).

5521105511 is a wasteful number, since it uses less digits than its factorization.

5521105511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54664512.

The product of its (nonzero) digits is 1250, while the sum is 26.

The square root of 5521105511 is about 74304.1419504996. The cubic root of 5521105511 is about 1767.4291586075.

Adding to 5521105511 its reverse (1155011255), we get a palindrome (6676116766).

The spelling of 5521105511 in words is "five billion, five hundred twenty-one million, one hundred five thousand, five hundred eleven".