243662360040115 has 4 divisors (see below), whose sum is σ = 292394832048144. Its totient is φ = 194929888032088.

The previous prime is 243662360040097. The next prime is 243662360040133. The reversal of 243662360040115 is 511040063266342.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (243662360040097) and next prime (243662360040133).

It is a cyclic number.

It is not a de Polignac number, because 243662360040115 - 2²⁷ = 243662225822387 is a prime.

It is a super-2 number, since 2×243662360040115² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 24366236004007 + ... + 24366236004016.

It is an arithmetic number, because the mean of its divisors is an integer number (73098708012036).

Almost surely, 2^{243662360040115} is an apocalyptic number.

243662360040115 is a deficient number, since it is larger than the sum of its proper divisors (48732472008029).

243662360040115 is an equidigital number, since it uses as much as digits as its factorization.

243662360040115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48732472008028.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 243662360040115 in words is "two hundred forty-three trillion, six hundred sixty-two billion, three hundred sixty million, forty thousand, one hundred fifteen".