211115268867 has 32 divisors (see below), whose sum is σ = 288224766720. Its totient is φ = 137412213120.

The previous prime is 211115268839. The next prime is 211115268877. The reversal of 211115268867 is 768862511112.

211115268867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211115268867 - 2¹⁰ = 211115267843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211115268877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15963984 + ... + 15977202.

It is an arithmetic number, because the mean of its divisors is an integer number (9007023960).

Almost surely, 2^211115268867 is an apocalyptic number.

211115268867 is a deficient number, since it is larger than the sum of its proper divisors (77109497853).

211115268867 is a wasteful number, since it uses less digits than its factorization.

211115268867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13923.

The product of its digits is 322560, while the sum is 48.

Adding to 211115268867 its reverse (768862511112), we get a palindrome (979977779979).

The spelling of 211115268867 in words is "two hundred eleven billion, one hundred fifteen million, two hundred sixty-eight thousand, eight hundred sixty-seven".