56716227111133 has 4 divisors (see below), whose sum is σ = 56716248159648. Its totient is φ = 56716206062620.

The previous prime is 56716227111109. The next prime is 56716227111169. The reversal of 56716227111133 is 33111172261765.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56716227111133 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 (56716227111833) 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, 5765041 + ... + 12110662.

It is an arithmetic number, because the mean of its divisors is an integer number (14179062039912).

Almost surely, 2^{56716227111133} is an apocalyptic number.

It is an amenable number.

56716227111133 is a deficient number, since it is larger than the sum of its proper divisors (21048515).

56716227111133 is a wasteful number, since it uses less digits than its factorization.

56716227111133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21048514.

The product of its digits is 317520, while the sum is 46.

Adding to 56716227111133 its reverse (33111172261765), we get a palindrome (89827399372898).

The spelling of 56716227111133 in words is "fifty-six trillion, seven hundred sixteen billion, two hundred twenty-seven million, one hundred eleven thousand, one hundred thirty-three".