11001011110001 has 4 divisors (see below), whose sum is σ = 12001103029104. Its totient is φ = 10000919190900.

The previous prime is 11001011109929. The next prime is 11001011110009. The reversal of 11001011110001 is 10001111010011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11001011110001 - 2¹⁸ = 11001010847857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001011110009) 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 3 ways as a sum of consecutive naturals, for example, 500045959535 + ... + 500045959556.

It is an arithmetic number, because the mean of its divisors is an integer number (3000275757276).

Almost surely, 2^{11001011110001} is an apocalyptic number.

11001011110001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001011110001 is a deficient number, since it is larger than the sum of its proper divisors (1000091919103).

11001011110001 is a wasteful number, since it uses less digits than its factorization.

11001011110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000091919102.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11001011110001 its reverse (10001111010011), we get a palindrome (21002122120012).

It can be divided in two parts, 1100 and 1011110001, that added together give a palindrome (1011111101).

The spelling of 11001011110001 in words is "eleven trillion, one billion, eleven million, one hundred ten thousand, one".