52511115252 has 96 divisors (see below), whose sum is σ = 129738470400. Its totient is φ = 16484573952.

The previous prime is 52511115211. The next prime is 52511115301. The reversal of 52511115252 is 25251111525.

52511115252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 39810649 + ... + 39811967.

It is an arithmetic number, because the mean of its divisors is an integer number (1351442400).

Almost surely, 2^52511115252 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 52511115252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64869235200).

52511115252 is an abundant number, since it is smaller than the sum of its proper divisors (77227355148).

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

52511115252 is a wasteful number, since it uses less digits than its factorization.

52511115252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2243 counting only the distinct ones).

The product of its digits is 5000, while the sum is 30.

Adding to 52511115252 its reverse (25251111525), we get a palindrome (77762226777).

The spelling of 52511115252 in words is "fifty-two billion, five hundred eleven million, one hundred fifteen thousand, two hundred fifty-two".