56513013542211 has 4 divisors (see below), whose sum is σ = 75350684722952. Its totient is φ = 37675342361472.

The previous prime is 56513013542203. The next prime is 56513013542261. The reversal of 56513013542211 is 11224531031565.

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

It is not a de Polignac number, because 56513013542211 - 2³ = 56513013542203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56513013542211.

It is not an unprimeable number, because it can be changed into a prime (56513013542261) 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, 9418835590366 + ... + 9418835590371.

It is an arithmetic number, because the mean of its divisors is an integer number (18837671180738).

Almost surely, 2^{56513013542211} is an apocalyptic number.

56513013542211 is a deficient number, since it is larger than the sum of its proper divisors (18837671180741).

56513013542211 is a wasteful number, since it uses less digits than its factorization.

56513013542211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837671180740.

The product of its (nonzero) digits is 108000, while the sum is 39.

Adding to 56513013542211 its reverse (11224531031565), we get a palindrome (67737544573776).

The spelling of 56513013542211 in words is "fifty-six trillion, five hundred thirteen billion, thirteen million, five hundred forty-two thousand, two hundred eleven".