11100011111011 has 8 divisors (see below), whose sum is σ = 11103043473584. Its totient is φ = 11096979173280.

The previous prime is 11100011110987. The next prime is 11100011111017. The reversal of 11100011111011 is 11011111000111.

It is a happy number.

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 11100011111011 - 2⁷ = 11100011110883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100011111017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56149201 + ... + 56346541.

It is an arithmetic number, because the mean of its divisors is an integer number (1387880434198).

Almost surely, 2^{11100011111011} is an apocalyptic number.

11100011111011 is a deficient number, since it is larger than the sum of its proper divisors (3032362573).

11100011111011 is an equidigital number, since it uses as much as digits as its factorization.

11100011111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212421.

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

Adding to 11100011111011 its reverse (11011111000111), we get a palindrome (22111122111122).

It can be divided in two parts, 111000111 and 11011, that multiplied together give a palindrome (1222222222221).

The spelling of 11100011111011 in words is "eleven trillion, one hundred billion, eleven million, one hundred eleven thousand, eleven".