1058355367721 has 2 divisors, whose sum is σ = 1058355367722. Its totient is φ = 1058355367720.

The previous prime is 1058355367681. The next prime is 1058355367739. The reversal of 1058355367721 is 1277635538501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1058355367696 + 25 = 1028764^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 1058355367721 - 2¹⁴ = 1058355351337 is a prime.

It is a super-2 number, since 2×1058355367721² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1058355367621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529177683860 + 529177683861.

It is an arithmetic number, because the mean of its divisors is an integer number (529177683861).

Almost surely, 2^{1058355367721} is an apocalyptic number.

It is an amenable number.

1058355367721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1058355367721 is an equidigital number, since it uses as much as digits as its factorization.

1058355367721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 1058355367721 in words is "one trillion, fifty-eight billion, three hundred fifty-five million, three hundred sixty-seven thousand, seven hundred twenty-one".