115505215010211 has 16 divisors (see below), whose sum is σ = 165872690864384. Its totient is φ = 71071968543264.

The previous prime is 115505215010153. The next prime is 115505215010257. The reversal of 115505215010211 is 112010512505511.

It is not a de Polignac number, because 115505215010211 - 2⁹ = 115505215009699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115505215010261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169734631 + ... + 170413776.

It is an arithmetic number, because the mean of its divisors is an integer number (10367043179024).

Almost surely, 2^{115505215010211} is an apocalyptic number.

115505215010211 is a deficient number, since it is larger than the sum of its proper divisors (50367475854173).

115505215010211 is a wasteful number, since it uses less digits than its factorization.

115505215010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340157130.

The product of its (nonzero) digits is 2500, while the sum is 30.

Adding to 115505215010211 its reverse (112010512505511), we get a palindrome (227515727515722).

The spelling of 115505215010211 in words is "one hundred fifteen trillion, five hundred five billion, two hundred fifteen million, ten thousand, two hundred eleven".