111001000111011 has 6 divisors (see below), whose sum is σ = 160334777938140. Its totient is φ = 74000666740668.

The previous prime is 111001000111009. The next prime is 111001000111021. The reversal of 111001000111011 is 110111000100111.

It is not a de Polignac number, because 111001000111011 - 2¹ = 111001000111009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 12333444456779 = 111001000111011 / (1 + 1 + 1 + 0 + 0 + 1 + 0 + 0 + 0 + 1 + 1 + 1 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 111001000110984 and 111001000111002.

It is not an unprimeable number, because it can be changed into a prime (111001000111021) 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, 6166722228381 + ... + 6166722228398.

It is an arithmetic number, because the mean of its divisors is an integer number (26722462989690).

Almost surely, 2^{111001000111011} is an apocalyptic number.

111001000111011 is a deficient number, since it is larger than the sum of its proper divisors (49333777827129).

111001000111011 is a wasteful number, since it uses less digits than its factorization.

111001000111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333444456785 (or 12333444456782 counting only the distinct ones).

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

Adding to 111001000111011 its reverse (110111000100111), we get a palindrome (221112000211122).

The spelling of 111001000111011 in words is "one hundred eleven trillion, one billion, one hundred eleven thousand, eleven".