1058847118781 has 2 divisors, whose sum is σ = 1058847118782. Its totient is φ = 1058847118780.

The previous prime is 1058847118753. The next prime is 1058847118783. The reversal of 1058847118781 is 1878117488501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1038073661881 + 20773456900 = 1018859^2 + 144130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1058847118781 is a prime.

It is a super-2 number, since 2×1058847118781² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 1058847118783, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1058847118781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1058847118783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529423559390 + 529423559391.

It is an arithmetic number, because the mean of its divisors is an integer number (529423559391).

Almost surely, 2^{1058847118781} is an apocalyptic number.

It is an amenable number.

1058847118781 is a deficient number, since it is larger than the sum of its proper divisors (1).

1058847118781 is an equidigital number, since it uses as much as digits as its factorization.

1058847118781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4014080, while the sum is 59.

The spelling of 1058847118781 in words is "one trillion, fifty-eight billion, eight hundred forty-seven million, one hundred eighteen thousand, seven hundred eighty-one".