211363230455 has 8 divisors (see below), whose sum is σ = 273146328672. Its totient is φ = 156083616288.

The previous prime is 211363230439. The next prime is 211363230457. The reversal of 211363230455 is 554032363112.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 211363230455 - 2⁴ = 211363230439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211363230457) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1625870939 + ... + 1625871068.

It is an arithmetic number, because the mean of its divisors is an integer number (34143291084).

Almost surely, 2^211363230455 is an apocalyptic number.

211363230455 is a deficient number, since it is larger than the sum of its proper divisors (61783098217).

211363230455 is a wasteful number, since it uses less digits than its factorization.

211363230455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251742025.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 211363230455 its reverse (554032363112), we get a palindrome (765395593567).

The spelling of 211363230455 in words is "two hundred eleven billion, three hundred sixty-three million, two hundred thirty thousand, four hundred fifty-five".