110000999987 has 2 divisors, whose sum is σ = 110000999988. Its totient is φ = 110000999986.

The previous prime is 110000999971. The next prime is 110001000019. The reversal of 110000999987 is 789999000011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 110000999987 - 2⁴ = 110000999971 is a prime.

It is not a weakly prime, because it can be changed into another prime (110000999957) 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 as a sum of consecutive naturals, namely, 55000499993 + 55000499994.

It is an arithmetic number, because the mean of its divisors is an integer number (55000499994).

Almost surely, 2^110000999987 is an apocalyptic number.

110000999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

110000999987 is an equidigital number, since it uses as much as digits as its factorization.

110000999987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 53.

Adding to 110000999987 its reverse (789999000011), we get a palindrome (899999999998).

The spelling of 110000999987 in words is "one hundred ten billion, nine hundred ninety-nine thousand, nine hundred eighty-seven".