505342312205144 has 8 divisors (see below), whose sum is σ = 947516835384660. Its totient is φ = 252671156102568.

The previous prime is 505342312205083. The next prime is 505342312205183. The reversal of 505342312205144 is 441502213243505.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent 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 as a sum of consecutive naturals, namely, 31583894512814 + ... + 31583894512829.

Almost surely, 2^{505342312205144} is an apocalyptic number.

It is an amenable number.

505342312205144 is a deficient number, since it is larger than the sum of its proper divisors (442174523179516).

505342312205144 is a wasteful number, since it uses less digits than its factorization.

505342312205144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63167789025649 (or 63167789025645 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 505342312205144 its reverse (441502213243505), we get a palindrome (946844525448649).

The spelling of 505342312205144 in words is "five hundred five trillion, three hundred forty-two billion, three hundred twelve million, two hundred five thousand, one hundred forty-four".