243421151115 has 8 divisors (see below), whose sum is σ = 389473841808. Its totient is φ = 129824613920.

The previous prime is 243421151093. The next prime is 243421151159. The reversal of 243421151115 is 511151124342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243421151115 - 2⁹ = 243421150603 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8114038356 + ... + 8114038385.

It is an arithmetic number, because the mean of its divisors is an integer number (48684230226).

Almost surely, 2^243421151115 is an apocalyptic number.

243421151115 is a deficient number, since it is larger than the sum of its proper divisors (146052690693).

243421151115 is a wasteful number, since it uses less digits than its factorization.

243421151115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228076749.

The product of its digits is 4800, while the sum is 30.

Adding to 243421151115 its reverse (511151124342), we get a palindrome (754572275457).

The spelling of 243421151115 in words is "two hundred forty-three billion, four hundred twenty-one million, one hundred fifty-one thousand, one hundred fifteen".