10011100111009 has 2 divisors, whose sum is σ = 10011100111010. Its totient is φ = 10011100111008.

The previous prime is 10011100110997. The next prime is 10011100111031. The reversal of 10011100111009 is 90011100111001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8599720470784 + 1411379640225 = 2932528^2 + 1188015^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011100111009 - 2³¹ = 10008952627361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10011100110983 and 10011100111001.

It is not a weakly prime, because it can be changed into another prime (10011100111069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005550055504 + 5005550055505.

It is an arithmetic number, because the mean of its divisors is an integer number (5005550055505).

Almost surely, 2^{10011100111009} is an apocalyptic number.

It is an amenable number.

10011100111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011100111009 is an equidigital number, since it uses as much as digits as its factorization.

10011100111009 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 16.

The spelling of 10011100111009 in words is "ten trillion, eleven billion, one hundred million, one hundred eleven thousand, nine".