56365563123111 has 144 divisors (see below), whose sum is σ = 89950862856960. Its totient is φ = 31347035596800.

The previous prime is 56365563123073. The next prime is 56365563123131. The reversal of 56365563123111 is 11132136556365.

56365563123111 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 56365563123111 - 2⁹ = 56365563122599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56365563123131) 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 143 ways as a sum of consecutive naturals, for example, 8770117080 + ... + 8770123506.

It is an arithmetic number, because the mean of its divisors is an integer number (624658769840).

Almost surely, 2^{56365563123111} is an apocalyptic number.

56365563123111 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56365563123111 is a deficient number, since it is larger than the sum of its proper divisors (33585299733849).

56365563123111 is a wasteful number, since it uses less digits than its factorization.

56365563123111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566 (or 8538 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 48.

Adding to 56365563123111 its reverse (11132136556365), we get a palindrome (67497699679476).

The spelling of 56365563123111 in words is "fifty-six trillion, three hundred sixty-five billion, five hundred sixty-three million, one hundred twenty-three thousand, one hundred eleven".