355320054203 has 4 divisors (see below), whose sum is σ = 376221233880. Its totient is φ = 334418874528.

The previous prime is 355320054163. The next prime is 355320054211. The reversal of 355320054203 is 302450023553.

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

It is a cyclic number.

It is not a de Polignac number, because 355320054203 - 2⁸ = 355320053947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355320054203.

It is not an unprimeable number, because it can be changed into a prime (355320054403) 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, 10450589813 + ... + 10450589846.

It is an arithmetic number, because the mean of its divisors is an integer number (94055308470).

Almost surely, 2^355320054203 is an apocalyptic number.

355320054203 is a deficient number, since it is larger than the sum of its proper divisors (20901179677).

355320054203 is a wasteful number, since it uses less digits than its factorization.

355320054203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20901179676.

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 355320054203 its reverse (302450023553), we get a palindrome (657770077756).

The spelling of 355320054203 in words is "three hundred fifty-five billion, three hundred twenty million, fifty-four thousand, two hundred three".