5611223500 has 24 divisors (see below), whose sum is σ = 12254913216. Its totient is φ = 2244489200.

The previous prime is 5611223483. The next prime is 5611223581. The reversal of 5611223500 is 53221165.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5610724 + ... + 5611723.

It is an arithmetic number, because the mean of its divisors is an integer number (510621384).

Almost surely, 2^5611223500 is an apocalyptic number.

5611223500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5611223500 is an abundant number, since it is smaller than the sum of its proper divisors (6643689716).

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

5611223500 is a wasteful number, since it uses less digits than its factorization.

5611223500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222466 (or 11222454 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5611223500 is about 74908.1003630449. The cubic root of 5611223500 is about 1776.9935678225.

Adding to 5611223500 its reverse (53221165), we get a palindrome (5664444665).

The spelling of 5611223500 in words is "five billion, six hundred eleven million, two hundred twenty-three thousand, five hundred".