243006115003057 has 16 divisors (see below), whose sum is σ = 295930799602560. Its totient is φ = 194789893379328.

The previous prime is 243006115003019. The next prime is 243006115003079. The reversal of 243006115003057 is 750300511600342.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243006115003057 is a prime.

It is a super-3 number, since 3×243006115003057³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243006115003097) 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 15 ways as a sum of consecutive naturals, for example, 6503383207 + ... + 6503420572.

It is an arithmetic number, because the mean of its divisors is an integer number (18495674975160).

Almost surely, 2^{243006115003057} is an apocalyptic number.

It is an amenable number.

243006115003057 is a deficient number, since it is larger than the sum of its proper divisors (52924684599503).

243006115003057 is a wasteful number, since it uses less digits than its factorization.

243006115003057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006803960.

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 243006115003057 its reverse (750300511600342), we get a palindrome (993306626603399).

The spelling of 243006115003057 in words is "two hundred forty-three trillion, six billion, one hundred fifteen million, three thousand, fifty-seven".