355205134111 has 4 divisors (see below), whose sum is σ = 355306886424. Its totient is φ = 355103381800.

The previous prime is 355205134099. The next prime is 355205134153. The reversal of 355205134111 is 111431502553.

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 355205134111 - 2⁹ = 355205133599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355205134511) 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, 50870920 + ... + 50877901.

It is an arithmetic number, because the mean of its divisors is an integer number (88826721606).

Almost surely, 2^355205134111 is an apocalyptic number.

355205134111 is a deficient number, since it is larger than the sum of its proper divisors (101752313).

355205134111 is a wasteful number, since it uses less digits than its factorization.

355205134111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101752312.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 355205134111 its reverse (111431502553), we get a palindrome (466636636664).

The spelling of 355205134111 in words is "three hundred fifty-five billion, two hundred five million, one hundred thirty-four thousand, one hundred eleven".