11115342647 has 2 divisors, whose sum is σ = 11115342648. Its totient is φ = 11115342646.

The previous prime is 11115342643. The next prime is 11115342697. The reversal of 11115342647 is 74624351111.

It is a weak prime.

It is an emirp because it is prime and its reverse (74624351111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11115342647 - 2² = 11115342643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11115342643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557671323 + 5557671324.

It is an arithmetic number, because the mean of its divisors is an integer number (5557671324).

Almost surely, 2^11115342647 is an apocalyptic number.

11115342647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115342647 is an equidigital number, since it uses as much as digits as its factorization.

11115342647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

Adding to 11115342647 its reverse (74624351111), we get a palindrome (85739693758).

The spelling of 11115342647 in words is "eleven billion, one hundred fifteen million, three hundred forty-two thousand, six hundred forty-seven".