11001106905109 has 2 divisors, whose sum is σ = 11001106905110. Its totient is φ = 11001106905108.

The previous prime is 11001106905053. The next prime is 11001106905163. The reversal of 11001106905109 is 90150960110011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10543515538084 + 457591367025 = 3247078^2 + 676455^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001106905109 - 2¹³ = 11001106896917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001106905169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500553452554 + 5500553452555.

It is an arithmetic number, because the mean of its divisors is an integer number (5500553452555).

Almost surely, 2^{11001106905109} is an apocalyptic number.

It is an amenable number.

11001106905109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001106905109 is an equidigital number, since it uses as much as digits as its factorization.

11001106905109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 34.

The spelling of 11001106905109 in words is "eleven trillion, one billion, one hundred six million, nine hundred five thousand, one hundred nine".