14105186881 has 4 divisors (see below), whose sum is σ = 14105435092. Its totient is φ = 14104938672.

The previous prime is 14105186869. The next prime is 14105186917. The reversal of 14105186881 is 18868150141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18868150141 = 47 ⋅401450003.

It can be written as a sum of positive squares in 2 ways, for example, as 1384956225 + 12720230656 = 37215^2 + 112784^2 .

It is a cyclic number.

It is not a de Polignac number, because 14105186881 - 2⁹ = 14105186369 is a prime.

It is a super-2 number, since 2×14105186881² (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 (14105586881) 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 in 3 ways as a sum of consecutive naturals, for example, 8035 + ... + 168151.

It is an arithmetic number, because the mean of its divisors is an integer number (3526358773).

Almost surely, 2^14105186881 is an apocalyptic number.

It is an amenable number.

14105186881 is a deficient number, since it is larger than the sum of its proper divisors (248211).

14105186881 is an equidigital number, since it uses as much as digits as its factorization.

14105186881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248210.

The product of its (nonzero) digits is 61440, while the sum is 43.

The spelling of 14105186881 in words is "fourteen billion, one hundred five million, one hundred eighty-six thousand, eight hundred eighty-one".