109134861169 has 2 divisors, whose sum is σ = 109134861170. Its totient is φ = 109134861168.

The previous prime is 109134861127. The next prime is 109134861193. The reversal of 109134861169 is 961168431901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100150096225 + 8984764944 = 316465^2 + 94788^2 .

It is an emirp because it is prime and its reverse (961168431901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109134861169 - 2¹⁹ = 109134336881 is a prime.

It is a super-2 number, since 2×109134861169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (109134862169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54567430584 + 54567430585.

It is an arithmetic number, because the mean of its divisors is an integer number (54567430585).

Almost surely, 2^109134861169 is an apocalyptic number.

It is an amenable number.

109134861169 is a deficient number, since it is larger than the sum of its proper divisors (1).

109134861169 is an equidigital number, since it uses as much as digits as its factorization.

109134861169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 109134861169 in words is "one hundred nine billion, one hundred thirty-four million, eight hundred sixty-one thousand, one hundred sixty-nine".