100718882860909 has 2 divisors, whose sum is σ = 100718882860910. Its totient is φ = 100718882860908.

The previous prime is 100718882860741. The next prime is 100718882860927. The reversal of 100718882860909 is 909068288817001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97089393026025 + 3629489834884 = 9853395^2 + 1905122^2 .

It is a cyclic number.

It is not a de Polignac number, because 100718882860909 - 2²⁵ = 100718849306477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100718882860949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50359441430454 + 50359441430455.

It is an arithmetic number, because the mean of its divisors is an integer number (50359441430455).

Almost surely, 2^{100718882860909} is an apocalyptic number.

It is an amenable number.

100718882860909 is a deficient number, since it is larger than the sum of its proper divisors (1).

100718882860909 is an equidigital number, since it uses as much as digits as its factorization.

100718882860909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27869184, while the sum is 67.

The spelling of 100718882860909 in words is "one hundred trillion, seven hundred eighteen billion, eight hundred eighty-two million, eight hundred sixty thousand, nine hundred nine".