14978999987941 has 16 divisors (see below), whose sum is σ = 16717731989760. Its totient is φ = 13304120500480.

The previous prime is 14978999987891. The next prime is 14978999987957.

14978999987941 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14978999987941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14978999987941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14978999987971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25165336 + ... + 25753681.

It is an arithmetic number, because the mean of its divisors is an integer number (1044858249360).

Almost surely, 2^{14978999987941} is an apocalyptic number.

14978999987941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14978999987941 is a deficient number, since it is larger than the sum of its proper divisors (1738732001819).

14978999987941 is a wasteful number, since it uses less digits than its factorization.

14978999987941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50919644.

The product of its digits is 26665583616, while the sum is 94.

The spelling of 14978999987941 in words is "fourteen trillion, nine hundred seventy-eight billion, nine hundred ninety-nine million, nine hundred eighty-seven thousand, nine hundred forty-one".