56106111 has 4 divisors (see below), whose sum is σ = 74808152. Its totient is φ = 37404072.

The previous prime is 56106101. The next prime is 56106151. The reversal of 56106111 is 11160165.

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

It is not a de Polignac number, because 56106111 - 2¹⁰ = 56105087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56106101) 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, 9351016 + ... + 9351021.

It is an arithmetic number, because the mean of its divisors is an integer number (18702038).

Almost surely, 2^56106111 is an apocalyptic number.

56106111 is a deficient number, since it is larger than the sum of its proper divisors (18702041).

56106111 is a wasteful number, since it uses less digits than its factorization.

56106111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18702040.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 56106111 is about 7490.4012576096. The cubic root of 56106111 is about 382.8277305649.

Adding to 56106111 its reverse (11160165), we get a palindrome (67266276).

The spelling of 56106111 in words is "fifty-six million, one hundred six thousand, one hundred eleven".