243225240322411 has 4 divisors (see below), whose sum is σ = 243639593372952. Its totient is φ = 242810887271872.

The previous prime is 243225240322381. The next prime is 243225240322451. The reversal of 243225240322411 is 114223042522342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243225240322411 is a prime.

It is a super-2 number, since 2×243225240322411² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243225240322451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 207176524390 + ... + 207176525563.

It is an arithmetic number, because the mean of its divisors is an integer number (60909898343238).

Almost surely, 2^{243225240322411} is an apocalyptic number.

243225240322411 is a deficient number, since it is larger than the sum of its proper divisors (414353050541).

243225240322411 is an equidigital number, since it uses as much as digits as its factorization.

243225240322411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414353050540.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 243225240322411 its reverse (114223042522342), we get a palindrome (357448282844753).

The spelling of 243225240322411 in words is "two hundred forty-three trillion, two hundred twenty-five billion, two hundred forty million, three hundred twenty-two thousand, four hundred eleven".