1056895890713 has 4 divisors (see below), whose sum is σ = 1138195574628. Its totient is φ = 975596206800.

The previous prime is 1056895890697. The next prime is 1056895890767. The reversal of 1056895890713 is 3170985986501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 508715577049 + 548180313664 = 713243^2 + 740392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056895890713 - 2⁴ = 1056895890697 is a prime.

It is a super-2 number, since 2×1056895890713² (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 (1056895800713) 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 3 ways as a sum of consecutive naturals, for example, 40649841938 + ... + 40649841963.

It is an arithmetic number, because the mean of its divisors is an integer number (284548893657).

Almost surely, 2^{1056895890713} is an apocalyptic number.

1056895890713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1056895890713 is a deficient number, since it is larger than the sum of its proper divisors (81299683915).

1056895890713 is an equidigital number, since it uses as much as digits as its factorization.

1056895890713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81299683914.

The product of its (nonzero) digits is 16329600, while the sum is 62.

The spelling of 1056895890713 in words is "one trillion, fifty-six billion, eight hundred ninety-five million, eight hundred ninety thousand, seven hundred thirteen".