243441330001111 has 16 divisors (see below), whose sum is σ = 267976859316768. Its totient is φ = 221136993601920.

The previous prime is 243441330001007. The next prime is 243441330001123. The reversal of 243441330001111 is 111100033144342.

It is not a de Polignac number, because 243441330001111 - 2²¹ = 243441327903959 is a prime.

It is a super-2 number, since 2×243441330001111² (a number of 30 digits) contains 22 as substring.

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 243441330001111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243441330001711) 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, 69913890 + ... + 73313263.

It is an arithmetic number, because the mean of its divisors is an integer number (16748553707298).

Almost surely, 2^{243441330001111} is an apocalyptic number.

243441330001111 is a deficient number, since it is larger than the sum of its proper divisors (24535529315657).

243441330001111 is a wasteful number, since it uses less digits than its factorization.

243441330001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143228463 (or 143228441 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 243441330001111 its reverse (111100033144342), we get a palindrome (354541363145453).

The spelling of 243441330001111 in words is "two hundred forty-three trillion, four hundred forty-one billion, three hundred thirty million, one thousand, one hundred eleven".