561731353016775 has 12 divisors (see below), whose sum is σ = 928729170321192. Its totient is φ = 299590054942240.

The previous prime is 561731353016761. The next prime is 561731353016887. The reversal of 561731353016775 is 577610353137165.

It is not a de Polignac number, because 561731353016775 - 2⁶ = 561731353016711 is a prime.

It is a super-2 number, since 2×561731353016775² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3744875686704 + ... + 3744875686853.

It is an arithmetic number, because the mean of its divisors is an integer number (77394097526766).

Almost surely, 2^{561731353016775} is an apocalyptic number.

561731353016775 is a deficient number, since it is larger than the sum of its proper divisors (366997817304417).

561731353016775 is a wasteful number, since it uses less digits than its factorization.

561731353016775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7489751373570 (or 7489751373565 counting only the distinct ones).

The product of its (nonzero) digits is 41674500, while the sum is 60.

The spelling of 561731353016775 in words is "five hundred sixty-one trillion, seven hundred thirty-one billion, three hundred fifty-three million, sixteen thousand, seven hundred seventy-five".