11111200097 has 2 divisors, whose sum is σ = 11111200098. Its totient is φ = 11111200096.

The previous prime is 11111200073. The next prime is 11111200117. The reversal of 11111200097 is 79000211111.

It is a happy number.

11111200097 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., 11000024161 + 111175936 = 104881^2 + 10544^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111200097 - 2⁶ = 11111200033 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111209097) 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, 5555600048 + 5555600049.

It is an arithmetic number, because the mean of its divisors is an integer number (5555600049).

Almost surely, 2^11111200097 is an apocalyptic number.

It is an amenable number.

11111200097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111200097 is an equidigital number, since it uses as much as digits as its factorization.

11111200097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 23.

The spelling of 11111200097 in words is "eleven billion, one hundred eleven million, two hundred thousand, ninety-seven".