1056105346511 has 2 divisors, whose sum is σ = 1056105346512. Its totient is φ = 1056105346510.

The previous prime is 1056105346451. The next prime is 1056105346519. The reversal of 1056105346511 is 1156435016501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056105346511 - 2³⁰ = 1055031604687 is a prime.

It is a super-2 number, since 2×1056105346511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056105346519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528052673255 + 528052673256.

It is an arithmetic number, because the mean of its divisors is an integer number (528052673256).

Almost surely, 2^{1056105346511} is an apocalyptic number.

1056105346511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056105346511 is an equidigital number, since it uses as much as digits as its factorization.

1056105346511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 1056105346511 in words is "one trillion, fifty-six billion, one hundred five million, three hundred forty-six thousand, five hundred eleven".