243612411311 has 16 divisors (see below), whose sum is σ = 256907919360. Its totient is φ = 230709548160.

The previous prime is 243612411253. The next prime is 243612411401. The reversal of 243612411311 is 113114216342.

It is a cyclic number.

It is not a de Polignac number, because 243612411311 - 2¹⁸ = 243612149167 is a prime.

It is a super-3 number, since 3×243612411311³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243612411611) 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, 163415 + ... + 716888.

It is an arithmetic number, because the mean of its divisors is an integer number (16056744960).

Almost surely, 2^243612411311 is an apocalyptic number.

243612411311 is a deficient number, since it is larger than the sum of its proper divisors (13295508049).

243612411311 is a wasteful number, since it uses less digits than its factorization.

243612411311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880526.

The product of its digits is 3456, while the sum is 29.

Adding to 243612411311 its reverse (113114216342), we get a palindrome (356726627653).

The spelling of 243612411311 in words is "two hundred forty-three billion, six hundred twelve million, four hundred eleven thousand, three hundred eleven".