1006565611655 has 8 divisors (see below), whose sum is σ = 1219837929984. Its totient is φ = 797279692000.

The previous prime is 1006565611627. The next prime is 1006565611663. The reversal of 1006565611655 is 5561165656001.

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

It is not a de Polignac number, because 1006565611655 - 2⁶ = 1006565611591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996599111 + ... + 996600120.

It is an arithmetic number, because the mean of its divisors is an integer number (152479741248).

Almost surely, 2^{1006565611655} is an apocalyptic number.

1006565611655 is a deficient number, since it is larger than the sum of its proper divisors (213272318329).

1006565611655 is a wasteful number, since it uses less digits than its factorization.

1006565611655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993199337.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 1006565611655 in words is "one trillion, six billion, five hundred sixty-five million, six hundred eleven thousand, six hundred fifty-five".