523587048561 has 24 divisors (see below), whose sum is σ = 771375696000. Its totient is φ = 342160090272.

The previous prime is 523587048559. The next prime is 523587048619. The reversal of 523587048561 is 165840785325.

523587048561 is a `hidden beast` number, since 5 + 2 + 3 + 5 + 8 + 70 + 4 + 8 + 561 = 666.

It is not a de Polignac number, because 523587048561 - 2¹ = 523587048559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523587048498 and 523587048507.

It is not an unprimeable number, because it can be changed into a prime (523587048511) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2550126 + ... + 2747783.

It is an arithmetic number, because the mean of its divisors is an integer number (32140654000).

Almost surely, 2^523587048561 is an apocalyptic number.

It is an amenable number.

523587048561 is a deficient number, since it is larger than the sum of its proper divisors (247788647439).

523587048561 is a wasteful number, since it uses less digits than its factorization.

523587048561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5298133 (or 5298130 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 523587048561 in words is "five hundred twenty-three billion, five hundred eighty-seven million, forty-eight thousand, five hundred sixty-one".