211423500054404 has 12 divisors (see below), whose sum is σ = 403626681922128. Its totient is φ = 96101590933800.

The previous prime is 211423500054301. The next prime is 211423500054421. The reversal of 211423500054404 is 404450005324112.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2402539773302 + ... + 2402539773389.

It is an arithmetic number, because the mean of its divisors is an integer number (33635556826844).

Almost surely, 2^{211423500054404} is an apocalyptic number.

It is an amenable number.

211423500054404 is a deficient number, since it is larger than the sum of its proper divisors (192203181867724).

211423500054404 is a wasteful number, since it uses less digits than its factorization.

211423500054404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805079546706 (or 4805079546704 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 211423500054404 its reverse (404450005324112), we get a palindrome (615873505378516).

The spelling of 211423500054404 in words is "two hundred eleven trillion, four hundred twenty-three billion, five hundred million, fifty-four thousand, four hundred four".