243052432555 has 16 divisors (see below), whose sum is σ = 308964033504. Its totient is φ = 182918571520.

The previous prime is 243052432523. The next prime is 243052432583. The reversal of 243052432555 is 555234250342.

It is not a de Polignac number, because 243052432555 - 2⁵ = 243052432523 is a prime.

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, 485797 + ... + 849766.

It is an arithmetic number, because the mean of its divisors is an integer number (19310252094).

Almost surely, 2^243052432555 is an apocalyptic number.

243052432555 is a deficient number, since it is larger than the sum of its proper divisors (65911600949).

243052432555 is a wasteful number, since it uses less digits than its factorization.

243052432555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337726.

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 243052432555 its reverse (555234250342), we get a palindrome (798286682897).

The spelling of 243052432555 in words is "two hundred forty-three billion, fifty-two million, four hundred thirty-two thousand, five hundred fifty-five".