1111011110011 has 16 divisors (see below), whose sum is σ = 1225939384800. Its totient is φ = 998409772800.

The previous prime is 1111011110009. The next prime is 1111011110021. The reversal of 1111011110011 is 1100111101111.

It is a happy number.

It is not a de Polignac number, because 1111011110011 - 2¹ = 1111011110009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111011110011.

It is not an unprimeable number, because it can be changed into a prime (1111011110021) 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, 3795445 + ... + 4077673.

It is an arithmetic number, because the mean of its divisors is an integer number (76621211550).

Almost surely, 2^{1111011110011} is an apocalyptic number.

1111011110011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111011110011 is a deficient number, since it is larger than the sum of its proper divisors (114928274789).

1111011110011 is a wasteful number, since it uses less digits than its factorization.

1111011110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286350.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 1111011110011 its reverse (1100111101111), we get a palindrome (2211122211122).

The spelling of 1111011110011 in words is "one trillion, one hundred eleven billion, eleven million, one hundred ten thousand, eleven".