109071667517 has 2 divisors, whose sum is σ = 109071667518. Its totient is φ = 109071667516.

The previous prime is 109071667511. The next prime is 109071667619. The reversal of 109071667517 is 715766170901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67564124761 + 41507542756 = 259931^2 + 203734^2 .

It is a cyclic number.

It is not a de Polignac number, because 109071667517 - 2¹⁰ = 109071666493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109071667511) 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, 54535833758 + 54535833759.

It is an arithmetic number, because the mean of its divisors is an integer number (54535833759).

Almost surely, 2^109071667517 is an apocalyptic number.

It is an amenable number.

109071667517 is a deficient number, since it is larger than the sum of its proper divisors (1).

109071667517 is an equidigital number, since it uses as much as digits as its factorization.

109071667517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 50.

The spelling of 109071667517 in words is "one hundred nine billion, seventy-one million, six hundred sixty-seven thousand, five hundred seventeen".