52115102120 has 32 divisors (see below), whose sum is σ = 119753856000. Its totient is φ = 20402507328.

The previous prime is 52115102113. The next prime is 52115102141. The reversal of 52115102120 is 2120151125.

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 = 52115102092 and 52115102101.

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, 13858520 + ... + 13862279.

It is an arithmetic number, because the mean of its divisors is an integer number (3742308000).

Almost surely, 2^52115102120 is an apocalyptic number.

It is an amenable number.

52115102120 is an abundant number, since it is smaller than the sum of its proper divisors (67638753880).

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

52115102120 is a wasteful number, since it uses less digits than its factorization.

52115102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27720857 (or 27720853 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 52115102120 its reverse (2120151125), we get a palindrome (54235253245).

The spelling of 52115102120 in words is "fifty-two billion, one hundred fifteen million, one hundred two thousand, one hundred twenty".