14507128868 has 12 divisors (see below), whose sum is σ = 26073623772. Its totient is φ = 7057522080.

The previous prime is 14507128861. The next prime is 14507128879. The reversal of 14507128868 is 86882170541.

It can be written as a sum of positive squares in 2 ways, for example, as 8589211684 + 5917917184 = 92678^2 + 76928^2 .

It is a super-2 number, since 2×14507128868² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14507128861) 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, 49010423 + ... + 49010718.

It is an arithmetic number, because the mean of its divisors is an integer number (2172801981).

Almost surely, 2^14507128868 is an apocalyptic number.

It is an amenable number.

14507128868 is a deficient number, since it is larger than the sum of its proper divisors (11566494904).

14507128868 is a wasteful number, since it uses less digits than its factorization.

14507128868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98021182 (or 98021180 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 14507128868 in words is "fourteen billion, five hundred seven million, one hundred twenty-eight thousand, eight hundred sixty-eight".