56120111 has 8 divisors (see below), whose sum is σ = 59487120. Its totient is φ = 52760448.

The previous prime is 56120101. The next prime is 56120123. The reversal of 56120111 is 11102165.

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 56120111 - 2⁶ = 56120047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56120101) 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, 26645 + ... + 28673.

It is an arithmetic number, because the mean of its divisors is an integer number (7435890).

Almost surely, 2^56120111 is an apocalyptic number.

56120111 is a deficient number, since it is larger than the sum of its proper divisors (3367009).

56120111 is a wasteful number, since it uses less digits than its factorization.

56120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 56120111 is about 7491.3357286935. The cubic root of 56120111 is about 382.8595698923.

Adding to 56120111 its reverse (11102165), we get a palindrome (67222276).

The spelling of 56120111 in words is "fifty-six million, one hundred twenty thousand, one hundred eleven".