213104334111506 has 32 divisors (see below), whose sum is σ = 325087493299200. Its totient is φ = 104755960059520.

The previous prime is 213104334111439. The next prime is 213104334111517. The reversal of 213104334111506 is 605111433401312.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 73821365 + ... + 76653783.

It is an arithmetic number, because the mean of its divisors is an integer number (10158984165600).

Almost surely, 2^{213104334111506} is an apocalyptic number.

213104334111506 is a deficient number, since it is larger than the sum of its proper divisors (111983159187694).

213104334111506 is a wasteful number, since it uses less digits than its factorization.

213104334111506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834914.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 213104334111506 its reverse (605111433401312), we get a palindrome (818215767512818).

The spelling of 213104334111506 in words is "two hundred thirteen trillion, one hundred four billion, three hundred thirty-four million, one hundred eleven thousand, five hundred six".