1066504531517 has 8 divisors (see below), whose sum is σ = 1068684232896. Its totient is φ = 1064325066912.

The previous prime is 1066504531511. The next prime is 1066504531529. The reversal of 1066504531517 is 7151354056601.

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 1066504531517 - 2⁶ = 1066504531453 is a prime.

It is a super-2 number, since 2×1066504531517² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066504531511) by changing a digit.

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, 11092073 + ... + 11187809.

It is an arithmetic number, because the mean of its divisors is an integer number (133585529112).

Almost surely, 2^{1066504531517} is an apocalyptic number.

It is an amenable number.

1066504531517 is a deficient number, since it is larger than the sum of its proper divisors (2179701379).

1066504531517 is an equidigital number, since it uses as much as digits as its factorization.

1066504531517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118387.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 1066504531517 in words is "one trillion, sixty-six billion, five hundred four million, five hundred thirty-one thousand, five hundred seventeen".