4012011111 has 16 divisors (see below), whose sum is σ = 5365134720. Its totient is φ = 2666795040.

The previous prime is 4012011079. The next prime is 4012011137. The reversal of 4012011111 is 1111102104.

It is not a de Polignac number, because 4012011111 - 2⁵ = 4012011079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314201 + ... + 2315933.

It is an arithmetic number, because the mean of its divisors is an integer number (335320920).

Almost surely, 2^4012011111 is an apocalyptic number.

4012011111 is a deficient number, since it is larger than the sum of its proper divisors (1353123609).

4012011111 is a wasteful number, since it uses less digits than its factorization.

4012011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 4012011111 is about 63340.4381970949. The cubic root of 4012011111 is about 1588.9883351270.

Adding to 4012011111 its reverse (1111102104), we get a palindrome (5123113215).

The spelling of 4012011111 in words is "four billion, twelve million, eleven thousand, one hundred eleven".