56726332123211 has 4 divisors (see below), whose sum is σ = 57409781907912. Its totient is φ = 56042882338512.

The previous prime is 56726332123157. The next prime is 56726332123231. The reversal of 56726332123211 is 11232123362765.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56726332123211 - 2³⁰ = 56725258381387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56726332123231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341724892226 + ... + 341724892391.

It is an arithmetic number, because the mean of its divisors is an integer number (14352445476978).

Almost surely, 2^{56726332123211} is an apocalyptic number.

56726332123211 is a deficient number, since it is larger than the sum of its proper divisors (683449784701).

56726332123211 is an equidigital number, since it uses as much as digits as its factorization.

56726332123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683449784700.

The product of its digits is 544320, while the sum is 44.

Adding to 56726332123211 its reverse (11232123362765), we get a palindrome (67958455485976).

The spelling of 56726332123211 in words is "fifty-six trillion, seven hundred twenty-six billion, three hundred thirty-two million, one hundred twenty-three thousand, two hundred eleven".