355055005217 has 4 divisors (see below), whose sum is σ = 387332732976. Its totient is φ = 322777277460.

The previous prime is 355055005213. The next prime is 355055005259. The reversal of 355055005217 is 712500550553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 355055005217 - 2² = 355055005213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355055005213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16138863863 + ... + 16138863884.

It is an arithmetic number, because the mean of its divisors is an integer number (96833183244).

Almost surely, 2^355055005217 is an apocalyptic number.

It is an amenable number.

355055005217 is a deficient number, since it is larger than the sum of its proper divisors (32277727759).

355055005217 is a wasteful number, since it uses less digits than its factorization.

355055005217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32277727758.

The product of its (nonzero) digits is 131250, while the sum is 38.

The spelling of 355055005217 in words is "three hundred fifty-five billion, fifty-five million, five thousand, two hundred seventeen".