1056517716805 has 8 divisors (see below), whose sum is σ = 1268161454592. Its totient is φ = 844987377168.

The previous prime is 1056517716797. The next prime is 1056517716911. The reversal of 1056517716805 is 5086177156501.

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 1056517716805 - 2³ = 1056517716797 is a prime.

It is a super-2 number, since 2×1056517716805² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 28329037 + ... + 28366306.

It is an arithmetic number, because the mean of its divisors is an integer number (158520181824).

Almost surely, 2^{1056517716805} is an apocalyptic number.

It is an amenable number.

1056517716805 is a deficient number, since it is larger than the sum of its proper divisors (211643737787).

1056517716805 is an equidigital number, since it uses as much as digits as its factorization.

1056517716805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56699075.

The product of its (nonzero) digits is 1764000, while the sum is 52.

The spelling of 1056517716805 in words is "one trillion, fifty-six billion, five hundred seventeen million, seven hundred sixteen thousand, eight hundred five".