56105611064 has 16 divisors (see below), whose sum is σ = 105743091120. Its totient is φ = 27907453440.

The previous prime is 56105611061. The next prime is 56105611091. The reversal of 56105611064 is 46011650165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105611061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18167372 + ... + 18170459.

It is an arithmetic number, because the mean of its divisors is an integer number (6608943195).

Almost surely, 2^56105611064 is an apocalyptic number.

It is an amenable number.

56105611064 is a deficient number, since it is larger than the sum of its proper divisors (49637480056).

56105611064 is a wasteful number, since it uses less digits than its factorization.

56105611064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36338030 (or 36338026 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 56105611064 in words is "fifty-six billion, one hundred five million, six hundred eleven thousand, sixty-four".