1072256108017 has 2 divisors, whose sum is σ = 1072256108018. Its totient is φ = 1072256108016.

The previous prime is 1072256107999. The next prime is 1072256108047. The reversal of 1072256108017 is 7108016522701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058266895841 + 13989212176 = 1028721^2 + 118276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072256108017 - 2¹¹ = 1072256105969 is a prime.

It is a super-2 number, since 2×1072256108017² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1072256108047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536128054008 + 536128054009.

It is an arithmetic number, because the mean of its divisors is an integer number (536128054009).

Almost surely, 2^{1072256108017} is an apocalyptic number.

It is an amenable number.

1072256108017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072256108017 is an equidigital number, since it uses as much as digits as its factorization.

1072256108017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 1072256108017 in words is "one trillion, seventy-two billion, two hundred fifty-six million, one hundred eight thousand, seventeen".