243004053111121 has 16 divisors (see below), whose sum is σ = 253646756997120. Its totient is φ = 232367797181520.

The previous prime is 243004053111077. The next prime is 243004053111161. The reversal of 243004053111121 is 121111350400342.

It is a cyclic number.

It is not a de Polignac number, because 243004053111121 - 2³¹ = 243001905627473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243004053111121.

It is not an unprimeable number, because it can be changed into a prime (243004053111161) 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, 2748528406 + ... + 2748616816.

It is an arithmetic number, because the mean of its divisors is an integer number (15852922312320).

Almost surely, 2^{243004053111121} is an apocalyptic number.

It is an amenable number.

243004053111121 is a deficient number, since it is larger than the sum of its proper divisors (10642703885999).

243004053111121 is a wasteful number, since it uses less digits than its factorization.

243004053111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123516.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 243004053111121 in words is "two hundred forty-three trillion, four billion, fifty-three million, one hundred eleven thousand, one hundred twenty-one".