1117068040721 has 2 divisors, whose sum is σ = 1117068040722. Its totient is φ = 1117068040720.

The previous prime is 1117068040681. The next prime is 1117068040727. The reversal of 1117068040721 is 1270408607111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 821388753025 + 295679287696 = 906305^2 + 543764^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117068040721 - 2⁶ = 1117068040657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117068040727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558534020360 + 558534020361.

It is an arithmetic number, because the mean of its divisors is an integer number (558534020361).

Almost surely, 2^{1117068040721} is an apocalyptic number.

It is an amenable number.

1117068040721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117068040721 is an equidigital number, since it uses as much as digits as its factorization.

1117068040721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 38.

The spelling of 1117068040721 in words is "one trillion, one hundred seventeen billion, sixty-eight million, forty thousand, seven hundred twenty-one".