56101111 has 16 divisors (see below), whose sum is σ = 63423360. Its totient is φ = 49180320.

The previous prime is 56101081. The next prime is 56101121. The reversal of 56101111 is 11110165.

56101111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56101111 - 2¹¹ = 56099063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56101121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38545 + ... + 39973.

It is an arithmetic number, because the mean of its divisors is an integer number (3963960).

Almost surely, 2^56101111 is an apocalyptic number.

56101111 is a deficient number, since it is larger than the sum of its proper divisors (7322249).

56101111 is a wasteful number, since it uses less digits than its factorization.

56101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 56101111 is about 7490.0674896826. The cubic root of 56101111 is about 382.8163580930.

Adding to 56101111 its reverse (11110165), we get a palindrome (67211276).

The spelling of 56101111 in words is "fifty-six million, one hundred one thousand, one hundred eleven".