1056666700001 has 4 divisors (see below), whose sum is σ = 1152727309104. Its totient is φ = 960606090900.

The previous prime is 1056666699971. The next prime is 1056666700007. The reversal of 1056666700001 is 1000076666501.

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 a cyclic number.

It is not a de Polignac number, because 1056666700001 - 2¹⁸ = 1056666437857 is a prime.

It is a super-2 number, since 2×1056666700001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056666700007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48030304535 + ... + 48030304556.

It is an arithmetic number, because the mean of its divisors is an integer number (288181827276).

Almost surely, 2^{1056666700001} is an apocalyptic number.

1056666700001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1056666700001 is a deficient number, since it is larger than the sum of its proper divisors (96060609103).

1056666700001 is an equidigital number, since it uses as much as digits as its factorization.

1056666700001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96060609102.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 1056666700001 in words is "one trillion, fifty-six billion, six hundred sixty-six million, seven hundred thousand, one".