211144444413 has 8 divisors (see below), whose sum is σ = 321743915328. Its totient is φ = 120653968224.

The previous prime is 211144444393. The next prime is 211144444417. The reversal of 211144444413 is 314444441112.

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

It is not a de Polignac number, because 211144444413 - 2¹² = 211144440317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211144444417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5027248656 + ... + 5027248697.

It is an arithmetic number, because the mean of its divisors is an integer number (40217989416).

Almost surely, 2^211144444413 is an apocalyptic number.

It is an amenable number.

211144444413 is a deficient number, since it is larger than the sum of its proper divisors (110599470915).

211144444413 is a wasteful number, since it uses less digits than its factorization.

211144444413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10054497363.

The product of its digits is 24576, while the sum is 33.

Adding to 211144444413 its reverse (314444441112), we get a palindrome (525588885525).

The spelling of 211144444413 in words is "two hundred eleven billion, one hundred forty-four million, four hundred forty-four thousand, four hundred thirteen".