100061100503 has 16 divisors (see below), whose sum is σ = 123548146176. Its totient is φ = 78914636640.

The previous prime is 100061100499. The next prime is 100061100521. The reversal of 100061100503 is 305001160001.

It is not a de Polignac number, because 100061100503 - 2² = 100061100499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100061100523) 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, 1739501 + ... + 1796102.

It is an arithmetic number, because the mean of its divisors is an integer number (7721759136).

Almost surely, 2^100061100503 is an apocalyptic number.

100061100503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100061100503 is a deficient number, since it is larger than the sum of its proper divisors (23487045673).

100061100503 is a wasteful number, since it uses less digits than its factorization.

100061100503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535934.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 100061100503 its reverse (305001160001), we get a palindrome (405062260504).

The spelling of 100061100503 in words is "one hundred billion, sixty-one million, one hundred thousand, five hundred three".