11111119001 has 2 divisors, whose sum is σ = 11111119002. Its totient is φ = 11111119000.

The previous prime is 11111118917. The next prime is 11111119021. The reversal of 11111119001 is 10091111111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6116022025 + 4995096976 = 78205^2 + 70676^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111119001 - 2¹⁸ = 11110856857 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111119021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555559500 + 5555559501.

It is an arithmetic number, because the mean of its divisors is an integer number (5555559501).

Almost surely, 2^11111119001 is an apocalyptic number.

It is an amenable number.

11111119001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111119001 is an equidigital number, since it uses as much as digits as its factorization.

11111119001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 11111119001 in words is "eleven billion, one hundred eleven million, one hundred nineteen thousand, one".