4511155020 has 96 divisors (see below), whose sum is σ = 13402065600. Its totient is φ = 1129857024.

The previous prime is 4511155013. The next prime is 4511155039. The reversal of 4511155020 is 205511154.

It is a super-2 number, since 2×4511155020² = 40701039228942400800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514836 + ... + 523524.

It is an arithmetic number, because the mean of its divisors is an integer number (139604850).

Almost surely, 2^4511155020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4511155020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6701032800).

4511155020 is an abundant number, since it is smaller than the sum of its proper divisors (8890910580).

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

4511155020 is a wasteful number, since it uses less digits than its factorization.

4511155020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9227 (or 9225 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 4511155020 is about 67165.1324721391. The cubic root of 4511155020 is about 1652.3266863460.

Adding to 4511155020 its reverse (205511154), we get a palindrome (4716666174).

The spelling of 4511155020 in words is "four billion, five hundred eleven million, one hundred fifty-five thousand, twenty".