11113430187809 has 2 divisors, whose sum is σ = 11113430187810. Its totient is φ = 11113430187808.

The previous prime is 11113430187763. The next prime is 11113430187829. The reversal of 11113430187809 is 90878103431111.

11113430187809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10742189790784 + 371240397025 = 3277528^2 + 609295^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113430187809 - 2²⁸ = 11113161752353 is a prime.

It is not a weakly prime, because it can be changed into another prime (11113430187829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556715093904 + 5556715093905.

It is an arithmetic number, because the mean of its divisors is an integer number (5556715093905).

Almost surely, 2^{11113430187809} is an apocalyptic number.

It is an amenable number.

11113430187809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113430187809 is an equidigital number, since it uses as much as digits as its factorization.

11113430187809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 11113430187809 in words is "eleven trillion, one hundred thirteen billion, four hundred thirty million, one hundred eighty-seven thousand, eight hundred nine".