243355515132 has 48 divisors (see below), whose sum is σ = 577550534400. Its totient is φ = 79730252160.

The previous prime is 243355515119. The next prime is 243355515149. The reversal of 243355515132 is 231515553342.

It is a super-2 number, since 2×243355515132² (a number of 24 digits) contains 22 as substring.

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, 4761369 + ... + 4812207.

It is an arithmetic number, because the mean of its divisors is an integer number (12032302800).

Almost surely, 2^243355515132 is an apocalyptic number.

It is an amenable number.

243355515132 is an abundant number, since it is smaller than the sum of its proper divisors (334195019268).

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

243355515132 is a wasteful number, since it uses less digits than its factorization.

243355515132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57666 (or 57664 counting only the distinct ones).

The product of its digits is 270000, while the sum is 39.

The spelling of 243355515132 in words is "two hundred forty-three billion, three hundred fifty-five million, five hundred fifteen thousand, one hundred thirty-two".