243121441042375 has 32 divisors (see below), whose sum is σ = 361837187712000. Its totient is φ = 159463504173600.

The previous prime is 243121441042339. The next prime is 243121441042433. The reversal of 243121441042375 is 573240144121342.

It is not a de Polignac number, because 243121441042375 - 2¹¹ = 243121441040327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6040264125 + ... + 6040304374.

It is an arithmetic number, because the mean of its divisors is an integer number (11307412116000).

Almost surely, 2^{243121441042375} is an apocalyptic number.

243121441042375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

243121441042375 is a deficient number, since it is larger than the sum of its proper divisors (118715746669625).

243121441042375 is a wasteful number, since it uses less digits than its factorization.

243121441042375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080568544 (or 12080568534 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 243121441042375 in words is "two hundred forty-three trillion, one hundred twenty-one billion, four hundred forty-one million, forty-two thousand, three hundred seventy-five".