243188355113 has 8 divisors (see below), whose sum is σ = 266143983456. Its totient is φ = 220373992800.

The previous prime is 243188355101. The next prime is 243188355161. The reversal of 243188355113 is 311553881342.

243188355113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 243188355113 - 2⁶ = 243188355049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243188355173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35312903 + ... + 35319788.

It is an arithmetic number, because the mean of its divisors is an integer number (33267997932).

Almost surely, 2^243188355113 is an apocalyptic number.

It is an amenable number.

243188355113 is a deficient number, since it is larger than the sum of its proper divisors (22955628343).

243188355113 is a wasteful number, since it uses less digits than its factorization.

243188355113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70633015.

The product of its digits is 345600, while the sum is 44.

The spelling of 243188355113 in words is "two hundred forty-three billion, one hundred eighty-eight million, three hundred fifty-five thousand, one hundred thirteen".