13815485203 has 16 divisors (see below), whose sum is σ = 15494121216. Its totient is φ = 12232120320.

The previous prime is 13815485191. The next prime is 13815485209. The reversal of 13815485203 is 30258451831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13815485203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13815485209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106150 + ... + 197227.

It is an arithmetic number, because the mean of its divisors is an integer number (968382576).

Almost surely, 2^13815485203 is an apocalyptic number.

13815485203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13815485203 is a deficient number, since it is larger than the sum of its proper divisors (1678636013).

13815485203 is a wasteful number, since it uses less digits than its factorization.

13815485203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303534.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 13815485203 in words is "thirteen billion, eight hundred fifteen million, four hundred eighty-five thousand, two hundred three".