106266251209 has 2 divisors, whose sum is σ = 106266251210. Its totient is φ = 106266251208.

The previous prime is 106266251141. The next prime is 106266251219. The reversal of 106266251209 is 902152662601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105997127184 + 269124025 = 325572^2 + 16405^2 .

It is a cyclic number.

It is not a de Polignac number, because 106266251209 - 2³¹ = 104118767561 is a prime.

It is a super-2 number, since 2×106266251209² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106266251219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53133125604 + 53133125605.

It is an arithmetic number, because the mean of its divisors is an integer number (53133125605).

Almost surely, 2^106266251209 is an apocalyptic number.

It is an amenable number.

106266251209 is a deficient number, since it is larger than the sum of its proper divisors (1).

106266251209 is an equidigital number, since it uses as much as digits as its factorization.

106266251209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 106266251209 in words is "one hundred six billion, two hundred sixty-six million, two hundred fifty-one thousand, two hundred nine".