355241242215 has 64 divisors (see below), whose sum is σ = 673194240000. Its totient is φ = 177218181504.

The previous prime is 355241242207. The next prime is 355241242217. The reversal of 355241242215 is 512242142553.

355241242215 is a `hidden beast` number, since 3 + 5 + 524 + 124 + 2 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 355241242215 - 2³ = 355241242207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 355241242215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355241242217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 673920 + ... + 1079189.

It is an arithmetic number, because the mean of its divisors is an integer number (10518660000).

Almost surely, 2^355241242215 is an apocalyptic number.

355241242215 is a deficient number, since it is larger than the sum of its proper divisors (317952997785).

355241242215 is a wasteful number, since it uses less digits than its factorization.

355241242215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753221 (or 1753215 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 355241242215 its reverse (512242142553), we get a palindrome (867483384768).

The spelling of 355241242215 in words is "three hundred fifty-five billion, two hundred forty-one million, two hundred forty-two thousand, two hundred fifteen".