5005555511 has 4 divisors (see below), whose sum is σ = 5460606024. Its totient is φ = 4550505000.

The previous prime is 5005555501. The next prime is 5005555517. The reversal of 5005555511 is 1155555005.

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 5005555511 - 2⁶ = 5005555447 is a prime.

It is a super-2 number, since 2×5005555511² = 50111171947404942242, 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 (5005555517) 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, 227525240 + ... + 227525261.

It is an arithmetic number, because the mean of its divisors is an integer number (1365151506).

Almost surely, 2^5005555511 is an apocalyptic number.

5005555511 is a deficient number, since it is larger than the sum of its proper divisors (455050513).

5005555511 is a wasteful number, since it uses less digits than its factorization.

5005555511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455050512.

The product of its (nonzero) digits is 15625, while the sum is 32.

The square root of 5005555511 is about 70749.9506077566. The cubic root of 5005555511 is about 1710.6090316060.

The spelling of 5005555511 in words is "five billion, five million, five hundred fifty-five thousand, five hundred eleven".