2003112103005 has 24 divisors (see below), whose sum is σ = 3739142593368. Its totient is φ = 986147496576.

The previous prime is 2003112102983. The next prime is 2003112103007. The reversal of 2003112103005 is 5003012113002.

It can be written as a sum of positive squares in 4 ways, for example, as 292044048921 + 1711068054084 = 540411^2 + 1308078^2 .

It is not a de Polignac number, because 2003112103005 - 2⁶ = 2003112102941 is a prime.

It is a super-2 number, since 2×2003112103005² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003112103007) 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 23 ways as a sum of consecutive naturals, for example, 1712061042 + ... + 1712062211.

It is an arithmetic number, because the mean of its divisors is an integer number (155797608057).

Almost surely, 2^{2003112103005} is an apocalyptic number.

It is an amenable number.

2003112103005 is a deficient number, since it is larger than the sum of its proper divisors (1736030490363).

2003112103005 is a wasteful number, since it uses less digits than its factorization.

2003112103005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424123277 (or 3424123274 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 2003112103005 its reverse (5003012113002), we get a palindrome (7006124216007).

The spelling of 2003112103005 in words is "two trillion, three billion, one hundred twelve million, one hundred three thousand, five".