5550711111 has 32 divisors (see below), whose sum is σ = 8981702400. Its totient is φ = 3359996640.

The previous prime is 5550711109. The next prime is 5550711121. The reversal of 5550711111 is 1111170555.

It is a happy number.

5550711111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5550711111 - 2¹ = 5550711109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550711121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244245 + ... + 266001.

It is an arithmetic number, because the mean of its divisors is an integer number (280678200).

Almost surely, 2^5550711111 is an apocalyptic number.

5550711111 is a deficient number, since it is larger than the sum of its proper divisors (3430991289).

5550711111 is a wasteful number, since it uses less digits than its factorization.

5550711111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22636 (or 22630 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 27.

The square root of 5550711111 is about 74503.0946404242. The cubic root of 5550711111 is about 1770.5826665449.

Adding to 5550711111 its reverse (1111170555), we get a palindrome (6661881666).

The spelling of 5550711111 in words is "five billion, five hundred fifty million, seven hundred eleven thousand, one hundred eleven".