1056328656811 has 2 divisors, whose sum is σ = 1056328656812. Its totient is φ = 1056328656810.

The previous prime is 1056328656793. The next prime is 1056328656899. The reversal of 1056328656811 is 1186568236501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1056328656811 - 2¹³ = 1056328648619 is a prime.

It is a super-2 number, since 2×1056328656811² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056328656611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528164328405 + 528164328406.

It is an arithmetic number, because the mean of its divisors is an integer number (528164328406).

Almost surely, 2^{1056328656811} is an apocalyptic number.

1056328656811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056328656811 is an equidigital number, since it uses as much as digits as its factorization.

1056328656811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 1056328656811 in words is "one trillion, fifty-six billion, three hundred twenty-eight million, six hundred fifty-six thousand, eight hundred eleven".