243112237552 has 80 divisors (see below), whose sum is σ = 505863997632. Its totient is φ = 112772874240.

The previous prime is 243112237547. The next prime is 243112237573. The reversal of 243112237552 is 255732211342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57322152 + ... + 57326392.

Almost surely, 2^243112237552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243112237552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252931998816).

243112237552 is an abundant number, since it is smaller than the sum of its proper divisors (262751760080).

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

243112237552 is a wasteful number, since it uses less digits than its factorization.

243112237552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226 (or 7220 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

Adding to 243112237552 its reverse (255732211342), we get a palindrome (498844448894).

The spelling of 243112237552 in words is "two hundred forty-three billion, one hundred twelve million, two hundred thirty-seven thousand, five hundred fifty-two".