525715083920 has 160 divisors (see below), whose sum is σ = 1351977467904. Its totient is φ = 188875468800.

The previous prime is 525715083911. The next prime is 525715083937. The reversal of 525715083920 is 29380517525.

It is a super-2 number, since 2×525715083920² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16315025 + ... + 16347215.

Almost surely, 2^525715083920 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 525715083920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675988733952).

525715083920 is an abundant number, since it is smaller than the sum of its proper divisors (826262383984).

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

525715083920 is a wasteful number, since it uses less digits than its factorization.

525715083920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32641 (or 32635 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 525715083920 in words is "five hundred twenty-five billion, seven hundred fifteen million, eighty-three thousand, nine hundred twenty".