355520504325 has 24 divisors (see below), whose sum is σ = 671764458688. Its totient is φ = 162523658880.

The previous prime is 355520504239. The next prime is 355520504357. The reversal of 355520504325 is 523405025553.

It is a happy number.

It is not a de Polignac number, because 355520504325 - 2¹⁶ = 355520438789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338590432 + ... + 338591481.

Almost surely, 2^355520504325 is an apocalyptic number.

355520504325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

355520504325 is a deficient number, since it is larger than the sum of its proper divisors (316243954363).

355520504325 is a wasteful number, since it uses less digits than its factorization.

355520504325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677181933 (or 677181928 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 39.

Adding to 355520504325 its reverse (523405025553), we get a palindrome (878925529878).

The spelling of 355520504325 in words is "three hundred fifty-five billion, five hundred twenty million, five hundred four thousand, three hundred twenty-five".