243155055530 has 8 divisors (see below), whose sum is σ = 437679099972. Its totient is φ = 97262022208.

The previous prime is 243155055529. The next prime is 243155055553. The reversal of 243155055530 is 35550551342.

It can be written as a sum of positive squares in 2 ways, for example, as 232436801689 + 10718253841 = 482117^2 + 103529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12157752767 + ... + 12157752786.

Almost surely, 2^243155055530 is an apocalyptic number.

243155055530 is a deficient number, since it is larger than the sum of its proper divisors (194524044442).

243155055530 is a wasteful number, since it uses less digits than its factorization.

243155055530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24315505560.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 243155055530 in words is "two hundred forty-three billion, one hundred fifty-five million, fifty-five thousand, five hundred thirty".