525728564580 has 48 divisors (see below), whose sum is σ = 1503359988480. Its totient is φ = 137211426048.

The previous prime is 525728564521. The next prime is 525728564609. The reversal of 525728564580 is 85465827525.

It is a self number, because there is not a number n which added to its sum of digits gives 525728564580.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93211465 + ... + 93217104.

It is an arithmetic number, because the mean of its divisors is an integer number (31319999760).

Almost surely, 2^525728564580 is an apocalyptic number.

It is an amenable number.

525728564580 is an abundant number, since it is smaller than the sum of its proper divisors (977631423900).

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

525728564580 is a wasteful number, since it uses less digits than its factorization.

525728564580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186428628 (or 186428626 counting only the distinct ones).

The product of its (nonzero) digits is 26880000, while the sum is 57.

The spelling of 525728564580 in words is "five hundred twenty-five billion, seven hundred twenty-eight million, five hundred sixty-four thousand, five hundred eighty".