11111000119987 has 2 divisors, whose sum is σ = 11111000119988. Its totient is φ = 11111000119986.

The previous prime is 11111000119909. The next prime is 11111000120071. The reversal of 11111000119987 is 78991100011111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111000119987 - 2¹⁵ = 11111000087219 is a prime.

It is a super-2 number, since 2×11111000119987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11111000119787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555500059993 + 5555500059994.

It is an arithmetic number, because the mean of its divisors is an integer number (5555500059994).

Almost surely, 2^{11111000119987} is an apocalyptic number.

11111000119987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111000119987 is an equidigital number, since it uses as much as digits as its factorization.

11111000119987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 40.

The spelling of 11111000119987 in words is "eleven trillion, one hundred eleven billion, one hundred nineteen thousand, nine hundred eighty-seven".