56604242511211 has 4 divisors (see below), whose sum is σ = 56604262713552. Its totient is φ = 56604222308872.

The previous prime is 56604242511137. The next prime is 56604242511239. The reversal of 56604242511211 is 11211524240665.

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 56604242511211 - 2³¹ = 56602095027563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56604242512211) 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, 5059615 + ... + 11781688.

It is an arithmetic number, because the mean of its divisors is an integer number (14151065678388).

Almost surely, 2^{56604242511211} is an apocalyptic number.

56604242511211 is a deficient number, since it is larger than the sum of its proper divisors (20202341).

56604242511211 is a wasteful number, since it uses less digits than its factorization.

56604242511211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202340.

The product of its (nonzero) digits is 115200, while the sum is 40.

Adding to 56604242511211 its reverse (11211524240665), we get a palindrome (67815766751876).

The spelling of 56604242511211 in words is "fifty-six trillion, six hundred four billion, two hundred forty-two million, five hundred eleven thousand, two hundred eleven".