355211966217 has 8 divisors (see below), whose sum is σ = 498543110560. Its totient is φ = 224344399680.

The previous prime is 355211966209. The next prime is 355211966287. The reversal of 355211966217 is 712669112553.

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

It is not a de Polignac number, because 355211966217 - 2³ = 355211966209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355211966287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3115894384 + ... + 3115894497.

It is an arithmetic number, because the mean of its divisors is an integer number (62317888820).

Almost surely, 2^355211966217 is an apocalyptic number.

It is an amenable number.

355211966217 is a deficient number, since it is larger than the sum of its proper divisors (143331144343).

355211966217 is a wasteful number, since it uses less digits than its factorization.

355211966217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231788903.

The product of its digits is 680400, while the sum is 48.

The spelling of 355211966217 in words is "three hundred fifty-five billion, two hundred eleven million, nine hundred sixty-six thousand, two hundred seventeen".