11110209997 has 2 divisors, whose sum is σ = 11110209998. Its totient is φ = 11110209996.

The previous prime is 11110209983. The next prime is 11110210019. The reversal of 11110209997 is 79990201111.

11110209997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7853681641 + 3256528356 = 88621^2 + 57066^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110209997 - 2¹¹ = 11110207949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110209947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555104998 + 5555104999.

It is an arithmetic number, because the mean of its divisors is an integer number (5555104999).

Almost surely, 2^11110209997 is an apocalyptic number.

It is an amenable number.

11110209997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110209997 is an equidigital number, since it uses as much as digits as its factorization.

11110209997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 40.

The spelling of 11110209997 in words is "eleven billion, one hundred ten million, two hundred nine thousand, nine hundred ninety-seven".