106775644109 has 2 divisors, whose sum is σ = 106775644110. Its totient is φ = 106775644108.

The previous prime is 106775644091. The next prime is 106775644139. The reversal of 106775644109 is 901446577601.

It is a happy number.

Together with previous prime (106775644091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103698168484 + 3077475625 = 322022^2 + 55475^2 .

It is a cyclic number.

It is not a de Polignac number, because 106775644109 - 2²⁰ = 106774595533 is a prime.

It is a super-2 number, since 2×106775644109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106775644139) 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, 53387822054 + 53387822055.

It is an arithmetic number, because the mean of its divisors is an integer number (53387822055).

Almost surely, 2^106775644109 is an apocalyptic number.

It is an amenable number.

106775644109 is a deficient number, since it is larger than the sum of its proper divisors (1).

106775644109 is an equidigital number, since it uses as much as digits as its factorization.

106775644109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 106775644109 in words is "one hundred six billion, seven hundred seventy-five million, six hundred forty-four thousand, one hundred nine".