56400136402211 has 64 divisors (see below), whose sum is σ = 72075016912896. Its totient is φ = 43027194470400.

The previous prime is 56400136402193. The next prime is 56400136402217. The reversal of 56400136402211 is 11220463100465.

56400136402211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56400136402211 - 2³⁴ = 56382956533027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56400136402217) 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 63 ways as a sum of consecutive naturals, for example, 28644041 + ... + 30549653.

It is an arithmetic number, because the mean of its divisors is an integer number (1126172139264).

Almost surely, 2^{56400136402211} is an apocalyptic number.

56400136402211 is a deficient number, since it is larger than the sum of its proper divisors (15674880510685).

56400136402211 is a wasteful number, since it uses less digits than its factorization.

56400136402211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905852.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 56400136402211 its reverse (11220463100465), we get a palindrome (67620599502676).

The spelling of 56400136402211 in words is "fifty-six trillion, four hundred billion, one hundred thirty-six million, four hundred two thousand, two hundred eleven".