10897111 has 2 divisors, whose sum is σ = 10897112. Its totient is φ = 10897110.

The previous prime is 10897109. The next prime is 10897141. The reversal of 10897111 is 11179801.

10897111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (11179801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10897111 - 2¹ = 10897109 is a prime.

Together with 10897109, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10897111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10897141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5448555 + 5448556.

It is an arithmetic number, because the mean of its divisors is an integer number (5448556).

Almost surely, 2^10897111 is an apocalyptic number.

10897111 is the 1765-th centered heptagonal number.

10897111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10897111 is an equidigital number, since it uses as much as digits as its factorization.

10897111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 28.

The square root of 10897111 is about 3301.0772484145. The cubic root of 10897111 is about 221.7024325301.

The spelling of 10897111 in words is "ten million, eight hundred ninety-seven thousand, one hundred eleven".