525560000000 has 320 divisors, whose sum is σ = 1500928970112. Its totient is φ = 180096000000.

The previous prime is 525559999999. The next prime is 525560000003. The reversal of 525560000000 is 65525.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525560000003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279999062 + ... + 280000938.

Almost surely, 2^525560000000 is an apocalyptic number.

525560000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525560000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750464485056).

525560000000 is an abundant number, since it is smaller than the sum of its proper divisors (975368970112).

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

525560000000 is an frugal number, since it uses more digits than its factorization.

525560000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

Adding to 525560000000 its reverse (65525), we get a palindrome (525560065525).

The spelling of 525560000000 in words is "five hundred twenty-five billion, five hundred sixty million", and thus it is an aban number.