9000000111111 has 16 divisors (see below), whose sum is σ = 12551624144640. Its totient is φ = 5725433278400.

The previous prime is 9000000111107. The next prime is 9000000111121. The reversal of 9000000111111 is 1111110000009.

9000000111111 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 9000000111111 - 2² = 9000000111107 is a prime.

9000000111111 is a modest number, since divided by 111111 gives 9 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000000111101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155621190 + ... + 155679011.

It is an arithmetic number, because the mean of its divisors is an integer number (784476509040).

Almost surely, 2^{9000000111111} is an apocalyptic number.

9000000111111 is a deficient number, since it is larger than the sum of its proper divisors (3551624033529).

9000000111111 is a wasteful number, since it uses less digits than its factorization.

9000000111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311300646.

The product of its (nonzero) digits is 9, while the sum is 15.

The spelling of 9000000111111 in words is "nine trillion, one hundred eleven thousand, one hundred eleven".