12017055111 has 16 divisors (see below), whose sum is σ = 16743926016. Its totient is φ = 7651799936.

The previous prime is 12017055107. The next prime is 12017055121. The reversal of 12017055111 is 11155071021.

12017055111 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 12017055111 - 2² = 12017055107 is a prime.

It is a super-2 number, since 2×12017055111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12017055121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80370 + ... + 174623.

It is an arithmetic number, because the mean of its divisors is an integer number (1046495376).

Almost surely, 2^12017055111 is an apocalyptic number.

12017055111 is a deficient number, since it is larger than the sum of its proper divisors (4726870905).

12017055111 is a wasteful number, since it uses less digits than its factorization.

12017055111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255702.

The product of its (nonzero) digits is 350, while the sum is 24.

The spelling of 12017055111 in words is "twelve billion, seventeen million, fifty-five thousand, one hundred eleven".