1000065656605 has 8 divisors (see below), whose sum is σ = 1270671657912. Its totient is φ = 752990611968.

The previous prime is 1000065656587. The next prime is 1000065656609. The reversal of 1000065656605 is 5066565600001.

It can be written as a sum of positive squares in 4 ways, for example, as 125816346436 + 874249310169 = 354706^2 + 935013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000065656605 - 2³⁵ = 965705918237 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 (1000065656609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5882739072 + ... + 5882739241.

It is an arithmetic number, because the mean of its divisors is an integer number (158833957239).

Almost surely, 2^{1000065656605} is an apocalyptic number.

It is an amenable number.

1000065656605 is a deficient number, since it is larger than the sum of its proper divisors (270606001307).

1000065656605 is a wasteful number, since it uses less digits than its factorization.

1000065656605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11765478335.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 1000065656605 in words is "one trillion, sixty-five million, six hundred fifty-six thousand, six hundred five".