213205630044611 has 48 divisors (see below), whose sum is σ = 235392151956480. Its totient is φ = 192863392719360.

The previous prime is 213205630044593. The next prime is 213205630044653. The reversal of 213205630044611 is 116440036502312.

It is not a de Polignac number, because 213205630044611 - 2¹⁴ = 213205630028227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213205630034611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1467689300 + ... + 1467834558.

It is an arithmetic number, because the mean of its divisors is an integer number (4904003165760).

Almost surely, 2^{213205630044611} is an apocalyptic number.

213205630044611 is a deficient number, since it is larger than the sum of its proper divisors (22186521911869).

213205630044611 is a wasteful number, since it uses less digits than its factorization.

213205630044611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146444 (or 146427 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 213205630044611 its reverse (116440036502312), we get a palindrome (329645666546923).

The spelling of 213205630044611 in words is "two hundred thirteen trillion, two hundred five billion, six hundred thirty million, forty-four thousand, six hundred eleven".