243113553152 has 36 divisors (see below), whose sum is σ = 488768720160. Its totient is φ = 120682249728.

The previous prime is 243113553119. The next prime is 243113553167. The reversal of 243113553152 is 251355311342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3380468 + ... + 3451635.

Almost surely, 2^243113553152 is an apocalyptic number.

It is an amenable number.

243113553152 is an abundant number, since it is smaller than the sum of its proper divisors (245655167008).

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

243113553152 is an equidigital number, since it uses as much as digits as its factorization.

243113553152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832258 (or 6832244 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

Adding to 243113553152 its reverse (251355311342), we get a palindrome (494468864494).

The spelling of 243113553152 in words is "two hundred forty-three billion, one hundred thirteen million, five hundred fifty-three thousand, one hundred fifty-two".