115115216011 has 2 divisors, whose sum is σ = 115115216012. Its totient is φ = 115115216010.

The previous prime is 115115215973. The next prime is 115115216093. The reversal of 115115216011 is 110612511511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115115216011 - 2⁷ = 115115215883 is a prime.

It is not a weakly prime, because it can be changed into another prime (115115210011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57557608005 + 57557608006.

It is an arithmetic number, because the mean of its divisors is an integer number (57557608006).

Almost surely, 2^115115216011 is an apocalyptic number.

115115216011 is a deficient number, since it is larger than the sum of its proper divisors (1).

115115216011 is an equidigital number, since it uses as much as digits as its factorization.

115115216011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 25.

Adding to 115115216011 its reverse (110612511511), we get a palindrome (225727727522).

The spelling of 115115216011 in words is "one hundred fifteen billion, one hundred fifteen million, two hundred sixteen thousand, eleven".