115211 has 2 divisors, whose sum is σ = 115212. Its totient is φ = 115210.

The previous prime is 115201. The next prime is 115223. The reversal of 115211 is 112511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115192 and 115201.

It is not a weakly prime, because it can be changed into another prime (115201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57605 + 57606.

It is an arithmetic number, because the mean of its divisors is an integer number (57606).

2¹¹⁵²¹¹ is an apocalyptic number.

115211 is a deficient number, since it is larger than the sum of its proper divisors (1).

115211 is an equidigital number, since it uses as much as digits as its factorization.

115211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10, while the sum is 11.

The square root of 115211 is about 339.4274591131. The cubic root of 115211 is about 48.6591646241.

Adding to 115211 its reverse (112511), we get a palindrome (227722).

The spelling of 115211 in words is "one hundred fifteen thousand, two hundred eleven".