1111000111011 has 24 divisors (see below), whose sum is σ = 1834587871584. Its totient is φ = 634664764800.

The previous prime is 1111000110991. The next prime is 1111000111027. The reversal of 1111000111011 is 1101110001111.

It is not a de Polignac number, because 1111000111011 - 2⁶ = 1111000110947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1111000110984 and 1111000111002.

It is not an unprimeable number, because it can be changed into a prime (1111000111051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2463186 + ... + 2879111.

It is an arithmetic number, because the mean of its divisors is an integer number (76441161316).

Almost surely, 2^{1111000111011} is an apocalyptic number.

1111000111011 is a deficient number, since it is larger than the sum of its proper divisors (723587760573).

1111000111011 is a wasteful number, since it uses less digits than its factorization.

1111000111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5345611 (or 5345608 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 1111000111011 its reverse (1101110001111), we get a palindrome (2212110112122).

The spelling of 1111000111011 in words is "one trillion, one hundred eleven billion, one hundred eleven thousand, eleven".