14111151217 has 4 divisors (see below), whose sum is σ = 14147427060. Its totient is φ = 14074875376.

The previous prime is 14111151169. The next prime is 14111151221. The reversal of 14111151217 is 71215111141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3882660721 + 10228490496 = 62311^2 + 101136^2 .

It is a cyclic number.

It is not a de Polignac number, because 14111151217 - 2¹⁵ = 14111118449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14111151191 and 14111151200.

It is not an unprimeable number, because it can be changed into a prime (14111151517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18137338 + ... + 18138115.

It is an arithmetic number, because the mean of its divisors is an integer number (3536856765).

Almost surely, 2^14111151217 is an apocalyptic number.

It is an amenable number.

14111151217 is a deficient number, since it is larger than the sum of its proper divisors (36275843).

14111151217 is an equidigital number, since it uses as much as digits as its factorization.

14111151217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36275842.

The product of its digits is 280, while the sum is 25.

Adding to 14111151217 its reverse (71215111141), we get a palindrome (85326262358).

The spelling of 14111151217 in words is "fourteen billion, one hundred eleven million, one hundred fifty-one thousand, two hundred seventeen".