561573131442567 has 8 divisors (see below), whose sum is σ = 751203146512896. Its totient is φ = 373162602000312.

The previous prime is 561573131442497. The next prime is 561573131442683. The reversal of 561573131442567 is 765244131375165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561573131442567 - 2⁸ = 561573131442311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 561573131442567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561573131446567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304871405943 + ... + 304871407784.

It is an arithmetic number, because the mean of its divisors is an integer number (93900393314112).

Almost surely, 2^{561573131442567} is an apocalyptic number.

561573131442567 is a deficient number, since it is larger than the sum of its proper divisors (189630015070329).

561573131442567 is a wasteful number, since it uses less digits than its factorization.

561573131442567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609742814037.

The product of its digits is 63504000, while the sum is 60.

The spelling of 561573131442567 in words is "five hundred sixty-one trillion, five hundred seventy-three billion, one hundred thirty-one million, four hundred forty-two thousand, five hundred sixty-seven".