1056111050069 has 2 divisors, whose sum is σ = 1056111050070. Its totient is φ = 1056111050068.

The previous prime is 1056111050063. The next prime is 1056111050087. The reversal of 1056111050069 is 9600501116501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 977996389969 + 78114660100 = 988937^2 + 279490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056111050069 - 2²⁴ = 1056094272853 is a prime.

It is a super-2 number, since 2×1056111050069² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056111050063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528055525034 + 528055525035.

It is an arithmetic number, because the mean of its divisors is an integer number (528055525035).

Almost surely, 2^{1056111050069} is an apocalyptic number.

It is an amenable number.

1056111050069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056111050069 is an equidigital number, since it uses as much as digits as its factorization.

1056111050069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 35.

The spelling of 1056111050069 in words is "one trillion, fifty-six billion, one hundred eleven million, fifty thousand, sixty-nine".