11000001111001 has 8 divisors (see below), whose sum is σ = 12572081061440. Its totient is φ = 9428083965648.

The previous prime is 11000001110999. The next prime is 11000001111013. The reversal of 11000001111001 is 10011110000011.

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 11000001111001 - 2¹ = 11000001110999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000001111301) 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, 40556451 + ... + 40826776.

It is an arithmetic number, because the mean of its divisors is an integer number (1571510132680).

Almost surely, 2^{11000001111001} is an apocalyptic number.

It is an amenable number.

11000001111001 is a deficient number, since it is larger than the sum of its proper divisors (1572079950439).

11000001111001 is an equidigital number, since it uses as much as digits as its factorization.

11000001111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81402543.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11000001111001 its reverse (10011110000011), we get a palindrome (21011111111012).

The spelling of 11000001111001 in words is "eleven trillion, one million, one hundred eleven thousand, one".