1194802848817 has 2 divisors, whose sum is σ = 1194802848818. Its totient is φ = 1194802848816.

The previous prime is 1194802848763. The next prime is 1194802848821. The reversal of 1194802848817 is 7188482084911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077691058161 + 117111790656 = 1038119^2 + 342216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1194802848817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1194802248817) 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, 597401424408 + 597401424409.

It is an arithmetic number, because the mean of its divisors is an integer number (597401424409).

Almost surely, 2^{1194802848817} is an apocalyptic number.

It is an amenable number.

1194802848817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1194802848817 is an equidigital number, since it uses as much as digits as its factorization.

1194802848817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8257536, while the sum is 61.

The spelling of 1194802848817 in words is "one trillion, one hundred ninety-four billion, eight hundred two million, eight hundred forty-eight thousand, eight hundred seventeen".