11115342697 has 2 divisors, whose sum is σ = 11115342698. Its totient is φ = 11115342696.

The previous prime is 11115342647. The next prime is 11115342757. The reversal of 11115342697 is 79624351111.

11115342697 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., 8162941801 + 2952400896 = 90349^2 + 54336^2 .

It is an emirp because it is prime and its reverse (79624351111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11115342697 is a prime.

It is not a weakly prime, because it can be changed into another prime (11115342647) 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, 5557671348 + 5557671349.

It is an arithmetic number, because the mean of its divisors is an integer number (5557671349).

Almost surely, 2^11115342697 is an apocalyptic number.

It is an amenable number.

11115342697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115342697 is an equidigital number, since it uses as much as digits as its factorization.

11115342697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The spelling of 11115342697 in words is "eleven billion, one hundred fifteen million, three hundred forty-two thousand, six hundred ninety-seven".