14911146865 has 4 divisors (see below), whose sum is σ = 17893376244. Its totient is φ = 11928917488.

The previous prime is 14911146823. The next prime is 14911146893. The reversal of 14911146865 is 56864111941.

14911146865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2133331344 + 12777815521 = 46188^2 + 113039^2 .

It is a cyclic number.

It is not a de Polignac number, because 14911146865 - 2⁷ = 14911146737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491114682 + ... + 1491114691.

It is an arithmetic number, because the mean of its divisors is an integer number (4473344061).

Almost surely, 2^14911146865 is an apocalyptic number.

It is an amenable number.

14911146865 is a deficient number, since it is larger than the sum of its proper divisors (2982229379).

14911146865 is an equidigital number, since it uses as much as digits as its factorization.

14911146865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982229378.

The product of its digits is 207360, while the sum is 46.

The spelling of 14911146865 in words is "fourteen billion, nine hundred eleven million, one hundred forty-six thousand, eight hundred sixty-five".