65106566135323 has 4 divisors (see below), whose sum is σ = 65107608453160. Its totient is φ = 65105523817488.

The previous prime is 65106566135297. The next prime is 65106566135399. The reversal of 65106566135323 is 32353166560156.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65106566135323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65106566135123) 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, 521065218 + ... + 521190151.

It is an arithmetic number, because the mean of its divisors is an integer number (16276902113290).

Almost surely, 2^{65106566135323} is an apocalyptic number.

65106566135323 is a deficient number, since it is larger than the sum of its proper divisors (1042317837).

65106566135323 is a wasteful number, since it uses less digits than its factorization.

65106566135323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042317836.

The product of its (nonzero) digits is 8748000, while the sum is 52.

The spelling of 65106566135323 in words is "sixty-five trillion, one hundred six billion, five hundred sixty-six million, one hundred thirty-five thousand, three hundred twenty-three".