14512286978 has 54 divisors (see below), whose sum is σ = 26016981219. Its totient is φ = 6053444712.

The previous prime is 14512286969. The next prime is 14512286989. The reversal of 14512286978 is 87968221541.

It can be written as a sum of positive squares in only one way, i.e., 7256143489 + 7256143489 = 85183^2 + 85183^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=85183.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 51280025 + ... + 51280307.

Almost surely, 2^14512286978 is an apocalyptic number.

14512286978 is a deficient number, since it is larger than the sum of its proper divisors (11504694241).

14512286978 is an frugal number, since it uses more digits than its factorization.

14512286978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 335 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The spelling of 14512286978 in words is "fourteen billion, five hundred twelve million, two hundred eighty-six thousand, nine hundred seventy-eight".