11111000011001 has 8 divisors (see below), whose sum is σ = 12216532583424. Its totient is φ = 10021374382320.

The previous prime is 11111000010989. The next prime is 11111000011003. The reversal of 11111000011001 is 10011000011111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111000011001 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 11111000011001.

It is not an unprimeable number, because it can be changed into a prime (11111000011003) 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, 3976734470 + ... + 3976737263.

It is an arithmetic number, because the mean of its divisors is an integer number (1527066572928).

Almost surely, 2^{11111000011001} is an apocalyptic number.

11111000011001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11111000011001 is a deficient number, since it is larger than the sum of its proper divisors (1105532572423).

11111000011001 is a wasteful number, since it uses less digits than its factorization.

11111000011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953471871.

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

Adding to 11111000011001 its reverse (10011000011111), we get a palindrome (21122000022112).

The spelling of 11111000011001 in words is "eleven trillion, one hundred eleven billion, eleven thousand, one".