1100000999887 has 2 divisors, whose sum is σ = 1100000999888. Its totient is φ = 1100000999886.

The previous prime is 1100000999849. The next prime is 1100000999969. The reversal of 1100000999887 is 7889990000011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100000999887 - 2²³ = 1099992611279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100000999087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550000499943 + 550000499944.

It is an arithmetic number, because the mean of its divisors is an integer number (550000499944).

Almost surely, 2^{1100000999887} is an apocalyptic number.

1100000999887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100000999887 is an equidigital number, since it uses as much as digits as its factorization.

1100000999887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 52.

Adding to 1100000999887 its reverse (7889990000011), we get a palindrome (8989990999898).

The spelling of 1100000999887 in words is "one trillion, one hundred billion, nine hundred ninety-nine thousand, eight hundred eighty-seven".