355111466243 has 4 divisors (see below), whose sum is σ = 376000376040. Its totient is φ = 334222556448.

The previous prime is 355111466239. The next prime is 355111466263. The reversal of 355111466243 is 342664111553.

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 355111466243 - 2² = 355111466239 is a prime.

It is a super-2 number, since 2×355111466243² (a number of 24 digits) contains 22 as substring.

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 355111466243.

It is not an unprimeable number, because it can be changed into a prime (355111466233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10444454873 + ... + 10444454906.

It is an arithmetic number, because the mean of its divisors is an integer number (94000094010).

Almost surely, 2^355111466243 is an apocalyptic number.

355111466243 is a deficient number, since it is larger than the sum of its proper divisors (20888909797).

355111466243 is a wasteful number, since it uses less digits than its factorization.

355111466243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20888909796.

The product of its digits is 259200, while the sum is 41.

Adding to 355111466243 its reverse (342664111553), we get a palindrome (697775577796).

The spelling of 355111466243 in words is "three hundred fifty-five billion, one hundred eleven million, four hundred sixty-six thousand, two hundred forty-three".