5511124520 has 64 divisors (see below), whose sum is σ = 13538715840. Its totient is φ = 2002355200.

The previous prime is 5511124519. The next prime is 5511124523. The reversal of 5511124520 is 254211155.

It is a self number, because there is not a number n which added to its sum of digits gives 5511124520.

It is not an unprimeable number, because it can be changed into a prime (5511124523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594239 + ... + 603441.

It is an arithmetic number, because the mean of its divisors is an integer number (211542435).

Almost surely, 2^5511124520 is an apocalyptic number.

It is an amenable number.

5511124520 is an abundant number, since it is smaller than the sum of its proper divisors (8027591320).

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

5511124520 is a wasteful number, since it uses less digits than its factorization.

5511124520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10586 (or 10582 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5511124520 is about 74236.9484825447. The cubic root of 5511124520 is about 1766.3634701390.

Adding to 5511124520 its reverse (254211155), we get a palindrome (5765335675).

It can be divided in two parts, 5511 and 124520, that added together give a palindrome (130031).

The spelling of 5511124520 in words is "five billion, five hundred eleven million, one hundred twenty-four thousand, five hundred twenty".