11110111097 has 2 divisors, whose sum is σ = 11110111098. Its totient is φ = 11110111096.

The previous prime is 11110111087. The next prime is 11110111127. The reversal of 11110111097 is 79011101111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7550914816 + 3559196281 = 86896^2 + 59659^2 .

It is an emirp because it is prime and its reverse (79011101111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11110111097 - 2⁴ = 11110111081 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110111057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555055548 + 5555055549.

It is an arithmetic number, because the mean of its divisors is an integer number (5555055549).

Almost surely, 2^11110111097 is an apocalyptic number.

It is an amenable number.

11110111097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110111097 is an equidigital number, since it uses as much as digits as its factorization.

11110111097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 23.

The spelling of 11110111097 in words is "eleven billion, one hundred ten million, one hundred eleven thousand, ninety-seven".