561960795303 has 8 divisors (see below), whose sum is σ = 832534511600. Its totient is φ = 374640530184.

The previous prime is 561960795299. The next prime is 561960795323. The reversal of 561960795303 is 303597069165.

561960795303 is a `hidden beast` number, since 561 + 9 + 6 + 0 + 79 + 5 + 3 + 0 + 3 = 666.

It is not a de Polignac number, because 561960795303 - 2² = 561960795299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 561960795303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561960795323) 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, 10406681368 + ... + 10406681421.

It is an arithmetic number, because the mean of its divisors is an integer number (104066813950).

Almost surely, 2^561960795303 is an apocalyptic number.

561960795303 is a deficient number, since it is larger than the sum of its proper divisors (270573716297).

561960795303 is a wasteful number, since it uses less digits than its factorization.

561960795303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813362798 (or 20813362792 counting only the distinct ones).

The product of its (nonzero) digits is 4592700, while the sum is 54.

The spelling of 561960795303 in words is "five hundred sixty-one billion, nine hundred sixty million, seven hundred ninety-five thousand, three hundred three".