14931500383985 has 4 divisors (see below), whose sum is σ = 17917800460788. Its totient is φ = 11945200307184.

The previous prime is 14931500383973. The next prime is 14931500383993. The reversal of 14931500383985 is 58938300513941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11936527485184 + 2994972898801 = 3454928^2 + 1730599^2 .

It is a cyclic number.

It is not a de Polignac number, because 14931500383985 - 2²² = 14931496189681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493150038394 + ... + 1493150038403.

It is an arithmetic number, because the mean of its divisors is an integer number (4479450115197).

Almost surely, 2^{14931500383985} is an apocalyptic number.

It is an amenable number.

14931500383985 is a deficient number, since it is larger than the sum of its proper divisors (2986300076803).

14931500383985 is an equidigital number, since it uses as much as digits as its factorization.

14931500383985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986300076802.

The product of its (nonzero) digits is 13996800, while the sum is 59.

The spelling of 14931500383985 in words is "fourteen trillion, nine hundred thirty-one billion, five hundred million, three hundred eighty-three thousand, nine hundred eighty-five".