11000010101909 has 2 divisors, whose sum is σ = 11000010101910. Its totient is φ = 11000010101908.

The previous prime is 11000010101893. The next prime is 11000010101911. The reversal of 11000010101909 is 90910101000011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10760512423684 + 239497678225 = 3280322^2 + 489385^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000010101909 - 2⁴ = 11000010101893 is a prime.

Together with 11000010101911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000010101009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500005050954 + 5500005050955.

It is an arithmetic number, because the mean of its divisors is an integer number (5500005050955).

Almost surely, 2^{11000010101909} is an apocalyptic number.

It is an amenable number.

11000010101909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000010101909 is an equidigital number, since it uses as much as digits as its factorization.

11000010101909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 11000010101909 in words is "eleven trillion, ten million, one hundred one thousand, nine hundred nine".