11101100009 has 2 divisors, whose sum is σ = 11101100010. Its totient is φ = 11101100008.

The previous prime is 11101099967. The next prime is 11101100027. The reversal of 11101100009 is 90000110111.

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., 8472282025 + 2628817984 = 92045^2 + 51272^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101100009 - 2¹⁶ = 11101034473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101099966 and 11101100002.

It is not a weakly prime, because it can be changed into another prime (11101100039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550550004 + 5550550005.

It is an arithmetic number, because the mean of its divisors is an integer number (5550550005).

Almost surely, 2^11101100009 is an apocalyptic number.

It is an amenable number.

11101100009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101100009 is an equidigital number, since it uses as much as digits as its factorization.

11101100009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 11101100009 in words is "eleven billion, one hundred one million, one hundred thousand, nine".