100050605503 has 4 divisors (see below), whose sum is σ = 102754675960. Its totient is φ = 97346535048.

The previous prime is 100050605401. The next prime is 100050605509. The reversal of 100050605503 is 305506050001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100050605503 - 2¹⁷ = 100050474431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100050605509) 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, 1352035173 + ... + 1352035246.

It is an arithmetic number, because the mean of its divisors is an integer number (25688668990).

Almost surely, 2^100050605503 is an apocalyptic number.

100050605503 is a deficient number, since it is larger than the sum of its proper divisors (2704070457).

100050605503 is an equidigital number, since it uses as much as digits as its factorization.

100050605503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704070456.

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

Adding to 100050605503 its reverse (305506050001), we get a palindrome (405556655504).

The spelling of 100050605503 in words is "one hundred billion, fifty million, six hundred five thousand, five hundred three".