5531112220 has 24 divisors (see below), whose sum is σ = 12120351264. Its totient is φ = 2116251456.

The previous prime is 5531112179. The next prime is 5531112221. The reversal of 5531112220 is 222111355.

It is a junction number, because it is equal to n+sod(n) for n = 5531112191 and 5531112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531112221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6011619 + ... + 6012538.

It is an arithmetic number, because the mean of its divisors is an integer number (505014636).

Almost surely, 2^5531112220 is an apocalyptic number.

It is an amenable number.

5531112220 is an abundant number, since it is smaller than the sum of its proper divisors (6589239044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5531112220 is a wasteful number, since it uses less digits than its factorization.

5531112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12024189 (or 12024187 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 5531112220 is about 74371.4476126423. The cubic root of 5531112220 is about 1768.4963044844.

Adding to 5531112220 its reverse (222111355), we get a palindrome (5753223575).

The spelling of 5531112220 in words is "five billion, five hundred thirty-one million, one hundred twelve thousand, two hundred twenty".