10666505561005 has 8 divisors (see below), whose sum is σ = 14628350483712. Its totient is φ = 7314175241808.

The previous prime is 10666505560987. The next prime is 10666505561011. The reversal of 10666505561005 is 50016550566601.

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 10666505561005 - 2²⁹ = 10665968690093 is a prime.

It is a super-2 number, since 2×10666505561005² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152378650837 + ... + 152378650906.

It is an arithmetic number, because the mean of its divisors is an integer number (1828543810464).

Almost surely, 2^{10666505561005} is an apocalyptic number.

It is an amenable number.

10666505561005 is a deficient number, since it is larger than the sum of its proper divisors (3961844922707).

10666505561005 is an equidigital number, since it uses as much as digits as its factorization.

10666505561005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304757301755.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 10666505561005 in words is "ten trillion, six hundred sixty-six billion, five hundred five million, five hundred sixty-one thousand, five".