4511113220 has 48 divisors (see below), whose sum is σ = 9525600000. Its totient is φ = 1794524160.

The previous prime is 4511113213. The next prime is 4511113231. The reversal of 4511113220 is 223111154.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4511113192 and 4511113201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3611156 + ... + 3612404.

It is an arithmetic number, because the mean of its divisors is an integer number (198450000).

Almost surely, 2^4511113220 is an apocalyptic number.

It is an amenable number.

4511113220 is an abundant number, since it is smaller than the sum of its proper divisors (5014486780).

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

4511113220 is a wasteful number, since it uses less digits than its factorization.

4511113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 4511113220 is about 67164.8212980575. The cubic root of 4511113220 is about 1652.3215828882.

Adding to 4511113220 its reverse (223111154), we get a palindrome (4734224374).

The spelling of 4511113220 in words is "four billion, five hundred eleven million, one hundred thirteen thousand, two hundred twenty".