2000503113811 has 4 divisors (see below), whose sum is σ = 2105792751400. Its totient is φ = 1895213476224.

The previous prime is 2000503113787. The next prime is 2000503113839. The reversal of 2000503113811 is 1183113050002.

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

It is not a de Polignac number, because 2000503113811 - 2¹⁹ = 2000502589523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000503113881) 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, 52644818766 + ... + 52644818803.

It is an arithmetic number, because the mean of its divisors is an integer number (526448187850).

Almost surely, 2^{2000503113811} is an apocalyptic number.

2000503113811 is a deficient number, since it is larger than the sum of its proper divisors (105289637589).

2000503113811 is a wasteful number, since it uses less digits than its factorization.

2000503113811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105289637588.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 2000503113811 its reverse (1183113050002), we get a palindrome (3183616163813).

The spelling of 2000503113811 in words is "two trillion, five hundred three million, one hundred thirteen thousand, eight hundred eleven".