355121534241 has 6 divisors (see below), whose sum is σ = 512953327250. Its totient is φ = 236747689488.

The previous prime is 355121534239. The next prime is 355121534267. The reversal of 355121534241 is 142435121553.

355121534241 is a `hidden beast` number, since 3 + 551 + 21 + 5 + 3 + 42 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 299943524241 + 55178010000 = 547671^2 + 234900^2 .

It is not a de Polignac number, because 355121534241 - 2¹ = 355121534239 is a prime.

It is a super-2 number, since 2×355121534241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 355121534196 and 355121534205.

It is not an unprimeable number, because it can be changed into a prime (355121534291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19728974116 + ... + 19728974133.

Almost surely, 2^355121534241 is an apocalyptic number.

It is an amenable number.

355121534241 is a deficient number, since it is larger than the sum of its proper divisors (157831793009).

355121534241 is a wasteful number, since it uses less digits than its factorization.

355121534241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39457948255 (or 39457948252 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 355121534241 its reverse (142435121553), we get a palindrome (497556655794).

The spelling of 355121534241 in words is "three hundred fifty-five billion, one hundred twenty-one million, five hundred thirty-four thousand, two hundred forty-one".