243120637244315 has 16 divisors (see below), whose sum is σ = 293257645493376. Its totient is φ = 193487931187200.

The previous prime is 243120637244293. The next prime is 243120637244351. The reversal of 243120637244315 is 513442736021342.

It is not a de Polignac number, because 243120637244315 - 2¹⁶ = 243120637178779 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 243120637244315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333836030 + ... + 334563500.

It is an arithmetic number, because the mean of its divisors is an integer number (18328602843336).

Almost surely, 2^{243120637244315} is an apocalyptic number.

243120637244315 is a deficient number, since it is larger than the sum of its proper divisors (50137008249061).

243120637244315 is a wasteful number, since it uses less digits than its factorization.

243120637244315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073990.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 243120637244315 in words is "two hundred forty-three trillion, one hundred twenty billion, six hundred thirty-seven million, two hundred forty-four thousand, three hundred fifteen".