1056661116211 has 2 divisors, whose sum is σ = 1056661116212. Its totient is φ = 1056661116210.

The previous prime is 1056661116197. The next prime is 1056661116257. The reversal of 1056661116211 is 1126111666501.

1056661116211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1056661116211 - 2⁷ = 1056661116083 is a prime.

It is a super-2 number, since 2×1056661116211² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056661116271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528330558105 + 528330558106.

It is an arithmetic number, because the mean of its divisors is an integer number (528330558106).

Almost surely, 2^{1056661116211} is an apocalyptic number.

1056661116211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056661116211 is an equidigital number, since it uses as much as digits as its factorization.

1056661116211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 1056661116211 in words is "one trillion, fifty-six billion, six hundred sixty-one million, one hundred sixteen thousand, two hundred eleven".