14515318378 has 16 divisors (see below), whose sum is σ = 23759762400. Its totient is φ = 6595810000.

The previous prime is 14515318319. The next prime is 14515318397. The reversal of 14515318378 is 87381351541.

14515318378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14515318378² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 29953 + ... + 172996.

It is an arithmetic number, because the mean of its divisors is an integer number (1484985150).

Almost surely, 2^14515318378 is an apocalyptic number.

14515318378 is a deficient number, since it is larger than the sum of its proper divisors (9244444022).

14515318378 is a wasteful number, since it uses less digits than its factorization.

14515318378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206213.

The product of its digits is 403200, while the sum is 46.

The spelling of 14515318378 in words is "fourteen billion, five hundred fifteen million, three hundred eighteen thousand, three hundred seventy-eight".