14163775121 has 4 divisors (see below), whose sum is σ = 14546579892. Its totient is φ = 13780970352.

The previous prime is 14163775103. The next prime is 14163775123. The reversal of 14163775121 is 12157736141.

It is a happy number.

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 9377210896 + 4786564225 = 96836^2 + 69185^2 .

It is a cyclic number.

It is not a de Polignac number, because 14163775121 - 2¹⁸ = 14163512977 is a prime.

It is a super-2 number, since 2×14163775121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14163775123) 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, 191402330 + ... + 191402403.

It is an arithmetic number, because the mean of its divisors is an integer number (3636644973).

Almost surely, 2^14163775121 is an apocalyptic number.

It is an amenable number.

14163775121 is a deficient number, since it is larger than the sum of its proper divisors (382804771).

14163775121 is an equidigital number, since it uses as much as digits as its factorization.

14163775121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382804770.

The product of its digits is 35280, while the sum is 38.

The spelling of 14163775121 in words is "fourteen billion, one hundred sixty-three million, seven hundred seventy-five thousand, one hundred twenty-one".