103863617903 has 4 divisors (see below), whose sum is σ = 103873943160. Its totient is φ = 103853292648.

The previous prime is 103863617881. The next prime is 103863617981. The reversal of 103863617903 is 309716368301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309716368301 = 29 ⋅10679874769.

It is a cyclic number.

It is not a de Polignac number, because 103863617903 - 2¹⁶ = 103863552367 is a prime.

It is a super-3 number, since 3×103863617903³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103863617983) 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 3 ways as a sum of consecutive naturals, for example, 5147525 + ... + 5167662.

It is an arithmetic number, because the mean of its divisors is an integer number (25968485790).

Almost surely, 2^103863617903 is an apocalyptic number.

103863617903 is a deficient number, since it is larger than the sum of its proper divisors (10325257).

103863617903 is a wasteful number, since it uses less digits than its factorization.

103863617903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325256.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 103863617903 in words is "one hundred three billion, eight hundred sixty-three million, six hundred seventeen thousand, nine hundred three".