100506050503 has 2 divisors, whose sum is σ = 100506050504. Its totient is φ = 100506050502.

The previous prime is 100506050501. The next prime is 100506050551. The reversal of 100506050503 is 305050605001.

It is a weak prime.

It is an emirp because it is prime and its reverse (305050605001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100506050503 - 2¹ = 100506050501 is a prime.

Together with 100506050501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100506050501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50253025251 + 50253025252.

It is an arithmetic number, because the mean of its divisors is an integer number (50253025252).

Almost surely, 2^100506050503 is an apocalyptic number.

100506050503 is a deficient number, since it is larger than the sum of its proper divisors (1).

100506050503 is an equidigital number, since it uses as much as digits as its factorization.

100506050503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 100506050503 its reverse (305050605001), we get a palindrome (405556655504).

The spelling of 100506050503 in words is "one hundred billion, five hundred six million, fifty thousand, five hundred three".