103705685503 has 4 divisors (see below), whose sum is σ = 118520783440. Its totient is φ = 88890587568.

The previous prime is 103705685453. The next prime is 103705685519. The reversal of 103705685503 is 305586507301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305586507301 = 29 ⋅10537465769.

It is a cyclic number.

It is not a de Polignac number, because 103705685503 - 2³³ = 95115750911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103705685503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103705685593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7407548958 + ... + 7407548971.

It is an arithmetic number, because the mean of its divisors is an integer number (29630195860).

Almost surely, 2^103705685503 is an apocalyptic number.

103705685503 is a deficient number, since it is larger than the sum of its proper divisors (14815097937).

103705685503 is an equidigital number, since it uses as much as digits as its factorization.

103705685503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14815097936.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 103705685503 in words is "one hundred three billion, seven hundred five million, six hundred eighty-five thousand, five hundred three".