65662752711 has 4 divisors (see below), whose sum is σ = 87550336952. Its totient is φ = 43775168472.

The previous prime is 65662752677. The next prime is 65662752721. The reversal of 65662752711 is 11725726656.

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

It is not a de Polignac number, because 65662752711 - 2²¹ = 65660655559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65662752721) 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, 10943792116 + ... + 10943792121.

It is an arithmetic number, because the mean of its divisors is an integer number (21887584238).

Almost surely, 2^65662752711 is an apocalyptic number.

65662752711 is a deficient number, since it is larger than the sum of its proper divisors (21887584241).

65662752711 is a wasteful number, since it uses less digits than its factorization.

65662752711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21887584240.

The product of its digits is 1058400, while the sum is 48.

The spelling of 65662752711 in words is "sixty-five billion, six hundred sixty-two million, seven hundred fifty-two thousand, seven hundred eleven".