355104421404401 has 4 divisors (see below), whose sum is σ = 355728506504100. Its totient is φ = 354480336304704.

The previous prime is 355104421404379. The next prime is 355104421404407. The reversal of 355104421404401 is 104404124401553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145485451210225 + 209618970194176 = 12061735^2 + 14478224^2 .

It is a cyclic number.

It is not a de Polignac number, because 355104421404401 - 2³⁰ = 355103347662577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355104421404407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312042548996 + ... + 312042550133.

It is an arithmetic number, because the mean of its divisors is an integer number (88932126626025).

Almost surely, 2^{355104421404401} is an apocalyptic number.

It is an amenable number.

355104421404401 is a deficient number, since it is larger than the sum of its proper divisors (624085099699).

355104421404401 is an equidigital number, since it uses as much as digits as its factorization.

355104421404401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624085099698.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 355104421404401 its reverse (104404124401553), we get a palindrome (459508545805954).

The spelling of 355104421404401 in words is "three hundred fifty-five trillion, one hundred four billion, four hundred twenty-one million, four hundred four thousand, four hundred one".