56565116111 has 8 divisors (see below), whose sum is σ = 64657161120. Its totient is φ = 48475899648.

The previous prime is 56565115979. The next prime is 56565116143. The reversal of 56565116111 is 11161156565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56565116111 - 2¹⁴ = 56565099727 is a prime.

It is a super-2 number, since 2×56565116111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56565116711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664106 + ... + 744423.

It is an arithmetic number, because the mean of its divisors is an integer number (8082145140).

Almost surely, 2^56565116111 is an apocalyptic number.

56565116111 is a deficient number, since it is larger than the sum of its proper divisors (8092045009).

56565116111 is a wasteful number, since it uses less digits than its factorization.

56565116111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414273.

The product of its digits is 27000, while the sum is 38.

The spelling of 56565116111 in words is "fifty-six billion, five hundred sixty-five million, one hundred sixteen thousand, one hundred eleven".