243215042411 has 16 divisors (see below), whose sum is σ = 272273971200. Its totient is φ = 215343666720.

The previous prime is 243215042401. The next prime is 243215042443. The reversal of 243215042411 is 114240512342.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 243215042411 - 2¹⁸ = 243214780267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243215042401) 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, 571595 + ... + 901748.

It is an arithmetic number, because the mean of its divisors is an integer number (17017123200).

Almost surely, 2^243215042411 is an apocalyptic number.

243215042411 is a deficient number, since it is larger than the sum of its proper divisors (29058928789).

243215042411 is a wasteful number, since it uses less digits than its factorization.

243215042411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473746.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 243215042411 its reverse (114240512342), we get a palindrome (357455554753).

The spelling of 243215042411 in words is "two hundred forty-three billion, two hundred fifteen million, forty-two thousand, four hundred eleven".