355540502152205 has 8 divisors (see below), whose sum is σ = 426649264183800. Its totient is φ = 284431960654336.

The previous prime is 355540502152117. The next prime is 355540502152211. The reversal of 355540502152205 is 502251205045553.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4507714967044 + 351032787185161 = 2123138^2 + 18735869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 355540502152205 - 2¹⁰ = 355540502151181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51565640 + ... + 58052529.

It is an arithmetic number, because the mean of its divisors is an integer number (53331158022975).

Almost surely, 2^{355540502152205} is an apocalyptic number.

It is an amenable number.

355540502152205 is a deficient number, since it is larger than the sum of its proper divisors (71108762031595).

355540502152205 is a wasteful number, since it uses less digits than its factorization.

355540502152205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110266863.

The product of its (nonzero) digits is 1500000, while the sum is 44.

Adding to 355540502152205 its reverse (502251205045553), we get a palindrome (857791707197758).

The spelling of 355540502152205 in words is "three hundred fifty-five trillion, five hundred forty billion, five hundred two million, one hundred fifty-two thousand, two hundred five".