525403102120 has 96 divisors (see below), whose sum is σ = 1280796438600. Its totient is φ = 192828022272.

The previous prime is 525403102111. The next prime is 525403102163. The reversal of 525403102120 is 21201304525.

It can be written as a sum of positive squares in 4 ways, for example, as 336583304964 + 188819797156 = 580158^2 + 434534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14484166 + ... + 14520394.

Almost surely, 2^525403102120 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 525403102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640398219300).

525403102120 is an abundant number, since it is smaller than the sum of its proper divisors (755393336480).

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

525403102120 is a wasteful number, since it uses less digits than its factorization.

525403102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36587 (or 36416 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 525403102120 its reverse (21201304525), we get a palindrome (546604406645).

The spelling of 525403102120 in words is "five hundred twenty-five billion, four hundred three million, one hundred two thousand, one hundred twenty".