20111140003 has 4 divisors (see below), whose sum is σ = 20394395568. Its totient is φ = 19827884440.

The previous prime is 20111139977. The next prime is 20111140031. The reversal of 20111140003 is 30004111102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20111140003 - 2⁹ = 20111139491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20111140103) 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, 141627676 + ... + 141627817.

It is an arithmetic number, because the mean of its divisors is an integer number (5098598892).

Almost surely, 2^20111140003 is an apocalyptic number.

20111140003 is a deficient number, since it is larger than the sum of its proper divisors (283255565).

20111140003 is an equidigital number, since it uses as much as digits as its factorization.

20111140003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283255564.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20111140003 its reverse (30004111102), we get a palindrome (50115251105).

The spelling of 20111140003 in words is "twenty billion, one hundred eleven million, one hundred forty thousand, three".