243155315116 has 24 divisors (see below), whose sum is σ = 511905927680. Its totient is φ = 98724714192.

The previous prime is 243155315113. The next prime is 243155315171. The reversal of 243155315116 is 611513551342.

It is a super-3 number, since 3×243155315116³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (243155315113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228528900 + ... + 228529963.

Almost surely, 2^243155315116 is an apocalyptic number.

It is an amenable number.

243155315116 is an abundant number, since it is smaller than the sum of its proper divisors (268750612564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243155315116 is a wasteful number, since it uses less digits than its factorization.

243155315116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457058893 (or 457058891 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

Adding to 243155315116 its reverse (611513551342), we get a palindrome (854668866458).

The spelling of 243155315116 in words is "two hundred forty-three billion, one hundred fifty-five million, three hundred fifteen thousand, one hundred sixteen".