11003140187 has 4 divisors (see below), whose sum is σ = 11849535600. Its totient is φ = 10156744776.

The previous prime is 11003140157. The next prime is 11003140199. The reversal of 11003140187 is 78104130011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78104130011 = 3917 ⋅19939783.

It is a cyclic number.

It is not a de Polignac number, because 11003140187 - 2⁶ = 11003140123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003140117) 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 in 3 ways as a sum of consecutive naturals, for example, 423197687 + ... + 423197712.

It is an arithmetic number, because the mean of its divisors is an integer number (2962383900).

Almost surely, 2^11003140187 is an apocalyptic number.

11003140187 is a deficient number, since it is larger than the sum of its proper divisors (846395413).

11003140187 is an equidigital number, since it uses as much as digits as its factorization.

11003140187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846395412.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 11003140187 its reverse (78104130011), we get a palindrome (89107270198).

The spelling of 11003140187 in words is "eleven billion, three million, one hundred forty thousand, one hundred eighty-seven".