11111033011111 has 8 divisors (see below), whose sum is σ = 12121161905664. Its totient is φ = 10100909947320.

The previous prime is 11111033011051. The next prime is 11111033011151.

It is a happy number.

11111033011111 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111033011111 - 2⁷ = 11111033010983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111033011151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163786 + ... + 5677288.

It is an arithmetic number, because the mean of its divisors is an integer number (1515145238208).

Almost surely, 2^{11111033011111} is an apocalyptic number.

11111033011111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111033011111 is a deficient number, since it is larger than the sum of its proper divisors (1010128894553).

11111033011111 is a wasteful number, since it uses less digits than its factorization.

11111033011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915381.

The product of its (nonzero) digits is 9, while the sum is 16.

It can be divided in two parts, 1111103 and 3011111, that added together give a palindrome (4122214).

The spelling of 11111033011111 in words is "eleven trillion, one hundred eleven billion, thirty-three million, eleven thousand, one hundred eleven".