115520211 has 12 divisors (see below), whose sum is σ = 166972000. Its totient is φ = 76962960.

The previous prime is 115520203. The next prime is 115520227. The reversal of 115520211 is 112025511.

It is not a de Polignac number, because 115520211 - 2³ = 115520203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115520201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14781 + ... + 21201.

Almost surely, 2^115520211 is an apocalyptic number.

115520211 is a deficient number, since it is larger than the sum of its proper divisors (51451789).

115520211 is a wasteful number, since it uses less digits than its factorization.

115520211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426 (or 8423 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 115520211 is about 10748.0328897896. The cubic root of 115520211 is about 487.0265731304.

Adding to 115520211 its reverse (112025511), we get a palindrome (227545722).

The spelling of 115520211 in words is "one hundred fifteen million, five hundred twenty thousand, two hundred eleven".