1066560005001 has 4 divisors (see below), whose sum is σ = 1422080006672. Its totient is φ = 711040003332.

The previous prime is 1066560004907. The next prime is 1066560005029. The reversal of 1066560005001 is 1005000656601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1066560005001 - 2¹⁹ = 1066559480713 is a prime.

It is a super-2 number, since 2×1066560005001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066560005001.

It is not an unprimeable number, because it can be changed into a prime (1066560003001) 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, 177760000831 + ... + 177760000836.

It is an arithmetic number, because the mean of its divisors is an integer number (355520001668).

Almost surely, 2^{1066560005001} is an apocalyptic number.

It is an amenable number.

1066560005001 is a deficient number, since it is larger than the sum of its proper divisors (355520001671).

1066560005001 is an equidigital number, since it uses as much as digits as its factorization.

1066560005001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355520001670.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 1066560005001 in words is "one trillion, sixty-six billion, five hundred sixty million, five thousand, one".