525120447852 has 1440 divisors, whose sum is σ = 2002556272640. Its totient is φ = 116397388800.

The previous prime is 525120447823. The next prime is 525120447857. The reversal of 525120447852 is 258744021525.

525120447852 is a `hidden beast` number, since 5 + 2 + 5 + 120 + 4 + 478 + 52 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 525120447798 and 525120447807.

It is not an unprimeable number, because it can be changed into a prime (525120447857) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 4134806613 + ... + 4134806739.

Almost surely, 2^525120447852 is an apocalyptic number.

525120447852 is a gapful number since it is divisible by the number (52) 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 525120447852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001278136320).

525120447852 is an abundant number, since it is smaller than the sum of its proper divisors (1477435824788).

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

525120447852 is a wasteful number, since it uses less digits than its factorization.

525120447852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

The spelling of 525120447852 in words is "five hundred twenty-five billion, one hundred twenty million, four hundred forty-seven thousand, eight hundred fifty-two".