204155132105435 has 8 divisors (see below), whose sum is σ = 279984181173216. Its totient is φ = 139992090586560.

The previous prime is 204155132105413. The next prime is 204155132105447. The reversal of 204155132105435 is 534501231551402.

204155132105435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 204155132105435 - 2²⁰ = 204155131056859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204155132105392 and 204155132105401.

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, 2916501887186 + ... + 2916501887255.

It is an arithmetic number, because the mean of its divisors is an integer number (34998022646652).

Almost surely, 2^{204155132105435} is an apocalyptic number.

204155132105435 is a deficient number, since it is larger than the sum of its proper divisors (75829049067781).

204155132105435 is an equidigital number, since it uses as much as digits as its factorization.

204155132105435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833003774453.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 204155132105435 its reverse (534501231551402), we get a palindrome (738656363656837).

The spelling of 204155132105435 in words is "two hundred four trillion, one hundred fifty-five billion, one hundred thirty-two million, one hundred five thousand, four hundred thirty-five".