1085355008263 has 2 divisors, whose sum is σ = 1085355008264. Its totient is φ = 1085355008262.

The previous prime is 1085355008237. The next prime is 1085355008281. The reversal of 1085355008263 is 3628005535801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085355008263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085355000263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542677504131 + 542677504132.

It is an arithmetic number, because the mean of its divisors is an integer number (542677504132).

Almost surely, 2^{1085355008263} is an apocalyptic number.

1085355008263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085355008263 is an equidigital number, since it uses as much as digits as its factorization.

1085355008263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 1085355008263 in words is "one trillion, eighty-five billion, three hundred fifty-five million, eight thousand, two hundred sixty-three".