52100124500 has 48 divisors (see below), whose sum is σ = 113831866512. Its totient is φ = 20831772800.

The previous prime is 52100124491. The next prime is 52100124623. The reversal of 52100124500 is 542100125.

It can be written as a sum of positive squares in 8 ways, for example, as 9952855696 + 42147268804 = 99764^2 + 205298^2 .

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

It is a congruent number.

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, 1327154 + ... + 1365846.

It is an arithmetic number, because the mean of its divisors is an integer number (2371497219).

Almost surely, 2^52100124500 is an apocalyptic number.

52100124500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52100124500 is an abundant number, since it is smaller than the sum of its proper divisors (61731742012).

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

52100124500 is a wasteful number, since it uses less digits than its factorization.

52100124500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41405 (or 41393 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 52100124500 its reverse (542100125), we get a palindrome (52642224625).

The spelling of 52100124500 in words is "fifty-two billion, one hundred million, one hundred twenty-four thousand, five hundred".