14141221109978 has 32 divisors (see below), whose sum is σ = 22443702652800. Its totient is φ = 6663841942464.

The previous prime is 14141221109969. The next prime is 14141221109989. The reversal of 14141221109978 is 87990112214141.

It is a happy number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 84635603 + ... + 84802521.

It is an arithmetic number, because the mean of its divisors is an integer number (701365707900).

Almost surely, 2^{14141221109978} is an apocalyptic number.

14141221109978 is a deficient number, since it is larger than the sum of its proper divisors (8302481542822).

14141221109978 is a wasteful number, since it uses less digits than its factorization.

14141221109978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178454.

The product of its (nonzero) digits is 290304, while the sum is 50.

The spelling of 14141221109978 in words is "fourteen trillion, one hundred forty-one billion, two hundred twenty-one million, one hundred nine thousand, nine hundred seventy-eight".