525121616460 has 96 divisors (see below), whose sum is σ = 1682039600640. Its totient is φ = 119909910528.

The previous prime is 525121616443. The next prime is 525121616483. The reversal of 525121616460 is 64616121525.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185509 + ... + 1041468.

It is an arithmetic number, because the mean of its divisors is an integer number (17521245840).

Almost surely, 2^525121616460 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 525121616460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841019800320).

525121616460 is an abundant number, since it is smaller than the sum of its proper divisors (1156917984180).

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

525121616460 is a wasteful number, since it uses less digits than its factorization.

525121616460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228015 (or 1228013 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 525121616460 its reverse (64616121525), we get a palindrome (589737737985).

The spelling of 525121616460 in words is "five hundred twenty-five billion, one hundred twenty-one million, six hundred sixteen thousand, four hundred sixty".