11110000009987 has 2 divisors, whose sum is σ = 11110000009988. Its totient is φ = 11110000009986.

The previous prime is 11110000009907. The next prime is 11110000009993. The reversal of 11110000009987 is 78990000001111.

11110000009987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11110000009987 - 2⁷ = 11110000009859 is a prime.

It is a super-2 number, since 2×11110000009987² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11110000009907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555000004993 + 5555000004994.

It is an arithmetic number, because the mean of its divisors is an integer number (5555000004994).

Almost surely, 2^{11110000009987} is an apocalyptic number.

11110000009987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110000009987 is an equidigital number, since it uses as much as digits as its factorization.

11110000009987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 37.

The spelling of 11110000009987 in words is "eleven trillion, one hundred ten billion, nine thousand, nine hundred eighty-seven".