4056111 has 12 divisors (see below), whose sum is σ = 5883592. Its totient is φ = 2692656.

The previous prime is 4056109. The next prime is 4056121. The reversal of 4056111 is 1116504.

It is not a de Polignac number, because 4056111 - 2¹ = 4056109 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 (4056121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680 + ... + 3306.

Almost surely, 2^4056111 is an apocalyptic number.

4056111 is a deficient number, since it is larger than the sum of its proper divisors (1827481).

4056111 is a wasteful number, since it uses less digits than its factorization.

4056111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 4056111 is about 2013.9788976054. The cubic root of 4056111 is about 159.4789167732.

The spelling of 4056111 in words is "four million, fifty-six thousand, one hundred eleven".