243402401103111 has 24 divisors (see below), whose sum is σ = 372280457459664. Its totient is φ = 152715706318080.

The previous prime is 243402401103089. The next prime is 243402401103149. The reversal of 243402401103111 is 111301104204342.

It is a happy number.

243402401103111 is a `hidden beast` number, since 2 + 4 + 3 + 40 + 2 + 401 + 103 + 111 = 666.

It is not a de Polignac number, because 243402401103111 - 2⁶ = 243402401103047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243402401103151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35197396 + ... + 41541081.

It is an arithmetic number, because the mean of its divisors is an integer number (15511685727486).

Almost surely, 2^{243402401103111} is an apocalyptic number.

243402401103111 is a deficient number, since it is larger than the sum of its proper divisors (128878056356553).

243402401103111 is a wasteful number, since it uses less digits than its factorization.

243402401103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76759231 (or 76759228 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 243402401103111 its reverse (111301104204342), we get a palindrome (354703505307453).

The spelling of 243402401103111 in words is "two hundred forty-three trillion, four hundred two billion, four hundred one million, one hundred three thousand, one hundred eleven".