1056256351103 has 2 divisors, whose sum is σ = 1056256351104. Its totient is φ = 1056256351102.

The previous prime is 1056256351069. The next prime is 1056256351147. The reversal of 1056256351103 is 3011536526501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1056256351103 - 2¹⁸ = 1056256088959 is a prime.

It is a super-2 number, since 2×1056256351103² (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 (1056256351903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528128175551 + 528128175552.

It is an arithmetic number, because the mean of its divisors is an integer number (528128175552).

Almost surely, 2^{1056256351103} is an apocalyptic number.

1056256351103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056256351103 is an equidigital number, since it uses as much as digits as its factorization.

1056256351103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 1056256351103 in words is "one trillion, fifty-six billion, two hundred fifty-six million, three hundred fifty-one thousand, one hundred three".