211162106015 has 12 divisors (see below), whose sum is σ = 294765062616. Its totient is φ = 144796872528.

The previous prime is 211162106003. The next prime is 211162106047. The reversal of 211162106015 is 510601261112.

It is not a de Polignac number, because 211162106015 - 2¹⁴ = 211162089631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430942829 + ... + 430943318.

It is an arithmetic number, because the mean of its divisors is an integer number (24563755218).

Almost surely, 2^211162106015 is an apocalyptic number.

211162106015 is a deficient number, since it is larger than the sum of its proper divisors (83602956601).

211162106015 is an equidigital number, since it uses as much as digits as its factorization.

211162106015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861886166 (or 861886159 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 211162106015 its reverse (510601261112), we get a palindrome (721763367127).

The spelling of 211162106015 in words is "two hundred eleven billion, one hundred sixty-two million, one hundred six thousand, fifteen".