1000001111011 has 6 divisors (see below), whose sum is σ = 1163266598580. Its totient is φ = 857143809396.

The previous prime is 1000001110991. The next prime is 1000001111033. The reversal of 1000001111011 is 1101111000001.

It is a happy number.

1000001111011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000001111011 - 2⁹ = 1000001110499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000001110985 and 1000001111003.

It is not an unprimeable number, because it can be changed into a prime (1000001115011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10204092921 + ... + 10204093018.

It is an arithmetic number, because the mean of its divisors is an integer number (193877766430).

Almost surely, 2^{1000001111011} is an apocalyptic number.

1000001111011 is a deficient number, since it is larger than the sum of its proper divisors (163265487569).

1000001111011 is an equidigital number, since it uses as much as digits as its factorization.

1000001111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20408185953 (or 20408185946 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1000001111011 its reverse (1101111000001), we get a palindrome (2101112111012).

The spelling of 1000001111011 in words is "one trillion, one million, one hundred eleven thousand, eleven".