561567608351 has 4 divisors (see below), whose sum is σ = 562641351912. Its totient is φ = 560493864792.

The previous prime is 561567608321. The next prime is 561567608383. The reversal of 561567608351 is 153806765165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 561567608351 - 2²² = 561563414047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561567608293 and 561567608302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561567608321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536870996 + ... + 536872041.

It is an arithmetic number, because the mean of its divisors is an integer number (140660337978).

Almost surely, 2^561567608351 is an apocalyptic number.

561567608351 is a deficient number, since it is larger than the sum of its proper divisors (1073743561).

561567608351 is a wasteful number, since it uses less digits than its factorization.

561567608351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073743560.

The product of its (nonzero) digits is 4536000, while the sum is 53.

The spelling of 561567608351 in words is "five hundred sixty-one billion, five hundred sixty-seven million, six hundred eight thousand, three hundred fifty-one".