100503412205 has 48 divisors (see below), whose sum is σ = 145793779200. Its totient is φ = 66245155200.

The previous prime is 100503412171. The next prime is 100503412253. The reversal of 100503412205 is 502214305001.

It is a de Polignac number, because none of the positive numbers 2^k-100503412205 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1087250 + ... + 1176060.

It is an arithmetic number, because the mean of its divisors is an integer number (3037370400).

Almost surely, 2^100503412205 is an apocalyptic number.

It is an amenable number.

100503412205 is a deficient number, since it is larger than the sum of its proper divisors (45290366995).

100503412205 is a wasteful number, since it uses less digits than its factorization.

100503412205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89010 (or 89003 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 100503412205 its reverse (502214305001), we get a palindrome (602717717206).

The spelling of 100503412205 in words is "one hundred billion, five hundred three million, four hundred twelve thousand, two hundred five".