243113453555 has 8 divisors (see below), whose sum is σ = 333412736352. Its totient is φ = 166706368128.

The previous prime is 243113453543. The next prime is 243113453593. The reversal of 243113453555 is 555354311342.

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

It is a cyclic number.

It is not a de Polignac number, because 243113453555 - 2⁸ = 243113453299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3473049302 + ... + 3473049371.

It is an arithmetic number, because the mean of its divisors is an integer number (41676592044).

Almost surely, 2^243113453555 is an apocalyptic number.

243113453555 is a deficient number, since it is larger than the sum of its proper divisors (90299282797).

243113453555 is an equidigital number, since it uses as much as digits as its factorization.

243113453555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946098685.

The product of its digits is 540000, while the sum is 41.

Adding to 243113453555 its reverse (555354311342), we get a palindrome (798467764897).

The spelling of 243113453555 in words is "two hundred forty-three billion, one hundred thirteen million, four hundred fifty-three thousand, five hundred fifty-five".