111011110001011 has 12 divisors (see below), whose sum is σ = 122025708909216. Its totient is φ = 100914863173520.

The previous prime is 111011110001003. The next prime is 111011110001017. The reversal of 111011110001011 is 110100011110111.

It is a happy number.

It is not a de Polignac number, because 111011110001011 - 2³ = 111011110001003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011110001017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16836571 + ... + 22483156.

It is an arithmetic number, because the mean of its divisors is an integer number (10168809075768).

Almost surely, 2^{111011110001011} is an apocalyptic number.

111011110001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111011110001011 is a deficient number, since it is larger than the sum of its proper divisors (11014598908205).

111011110001011 is a wasteful number, since it uses less digits than its factorization.

111011110001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39343082 (or 39343071 counting only the distinct ones).

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

Adding to 111011110001011 its reverse (110100011110111), we get a palindrome (221111121111122).

The spelling of 111011110001011 in words is "one hundred eleven trillion, eleven billion, one hundred ten million, one thousand, eleven".