5559221811 has 32 divisors (see below), whose sum is σ = 8721361152. Its totient is φ = 3105336960.

The previous prime is 5559221809. The next prime is 5559221813. The reversal of 5559221811 is 1181229555.

It is an interprime number because it is at equal distance from previous prime (5559221809) and next prime (5559221813).

It is not a de Polignac number, because 5559221811 - 2¹ = 5559221809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 5559221811.

It is not an unprimeable number, because it can be changed into a prime (5559221813) 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, 283521 + ... + 302493.

It is an arithmetic number, because the mean of its divisors is an integer number (272542536).

Almost surely, 2^5559221811 is an apocalyptic number.

5559221811 is a deficient number, since it is larger than the sum of its proper divisors (3162139341).

5559221811 is a wasteful number, since it uses less digits than its factorization.

5559221811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19683.

The product of its digits is 36000, while the sum is 39.

The square root of 5559221811 is about 74560.1891829681. The cubic root of 5559221811 is about 1771.4871274103.

The spelling of 5559221811 in words is "five billion, five hundred fifty-nine million, two hundred twenty-one thousand, eight hundred eleven".