711760716561 has 4 divisors (see below), whose sum is σ = 949014288752. Its totient is φ = 474507144372.

The previous prime is 711760716547. The next prime is 711760716571. The reversal of 711760716561 is 165617067117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 711760716561 - 2¹³ = 711760708369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 711760716561.

It is not an unprimeable number, because it can be changed into a prime (711760716571) 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 3 ways as a sum of consecutive naturals, for example, 118626786091 + ... + 118626786096.

It is an arithmetic number, because the mean of its divisors is an integer number (237253572188).

Almost surely, 2^711760716561 is an apocalyptic number.

It is an amenable number.

711760716561 is a deficient number, since it is larger than the sum of its proper divisors (237253572191).

711760716561 is a wasteful number, since it uses less digits than its factorization.

711760716561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237253572190.

The product of its (nonzero) digits is 370440, while the sum is 48.

The spelling of 711760716561 in words is "seven hundred eleven billion, seven hundred sixty million, seven hundred sixteen thousand, five hundred sixty-one".