355413144020121 has 96 divisors (see below), whose sum is σ = 585037095552000. Its totient is φ = 213827507570880.

The previous prime is 355413144020119. The next prime is 355413144020153. The reversal of 355413144020121 is 121020441314553.

355413144020121 is a `hidden beast` number, since 3 + 5 + 5 + 4 + 1 + 3 + 1 + 440 + 201 + 2 + 1 = 666.

It is not a de Polignac number, because 355413144020121 - 2¹ = 355413144020119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (355413144020171) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 663660100 + ... + 664195418.

It is an arithmetic number, because the mean of its divisors is an integer number (6094136412000).

Almost surely, 2^{355413144020121} is an apocalyptic number.

It is an amenable number.

355413144020121 is a deficient number, since it is larger than the sum of its proper divisors (229623951531879).

355413144020121 is a wasteful number, since it uses less digits than its factorization.

355413144020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537161 (or 537149 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 355413144020121 its reverse (121020441314553), we get a palindrome (476433585334674).

The spelling of 355413144020121 in words is "three hundred fifty-five trillion, four hundred thirteen billion, one hundred forty-four million, twenty thousand, one hundred twenty-one".