65711565710612 has 6 divisors (see below), whose sum is σ = 114995239993578. Its totient is φ = 32855782855304.

The previous prime is 65711565710603. The next prime is 65711565710663. The reversal of 65711565710612 is 21601756511756.

It can be written as a sum of positive squares in only one way, i.e., 35183332854916 + 30528232855696 = 5931554^2 + 5525236^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213945713823 + ... + 8213945713830.

It is an arithmetic number, because the mean of its divisors is an integer number (19165873332263).

Almost surely, 2^{65711565710612} is an apocalyptic number.

It is an amenable number.

65711565710612 is a deficient number, since it is larger than the sum of its proper divisors (49283674282966).

65711565710612 is a wasteful number, since it uses less digits than its factorization.

65711565710612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16427891427657 (or 16427891427655 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 53.

The spelling of 65711565710612 in words is "sixty-five trillion, seven hundred eleven billion, five hundred sixty-five million, seven hundred ten thousand, six hundred twelve".