11010009987 has 24 divisors (see below), whose sum is σ = 16173073488. Its totient is φ = 7215652800.

The previous prime is 11010009979. The next prime is 11010009991. The reversal of 11010009987 is 78990001011.

11010009987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11010009987 - 2³ = 11010009979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11010009977) 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 in 23 ways as a sum of consecutive naturals, for example, 1226937 + ... + 1235877.

It is an arithmetic number, because the mean of its divisors is an integer number (673878062).

Almost surely, 2^11010009987 is an apocalyptic number.

11010009987 is a deficient number, since it is larger than the sum of its proper divisors (5163063501).

11010009987 is a wasteful number, since it uses less digits than its factorization.

11010009987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11251 (or 11248 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The spelling of 11010009987 in words is "eleven billion, ten million, nine thousand, nine hundred eighty-seven".