105105042503 has 8 divisors (see below), whose sum is σ = 111347525520. Its totient is φ = 98869207680.

The previous prime is 105105042491. The next prime is 105105042521. The reversal of 105105042503 is 305240501501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105105042503 - 2⁴ = 105105042487 is a prime.

It is a super-2 number, since 2×105105042503² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105105042563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1629473 + ... + 1692746.

It is an arithmetic number, because the mean of its divisors is an integer number (13918440690).

Almost surely, 2^105105042503 is an apocalyptic number.

105105042503 is a deficient number, since it is larger than the sum of its proper divisors (6242483017).

105105042503 is a wasteful number, since it uses less digits than its factorization.

105105042503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324097.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 105105042503 in words is "one hundred five billion, one hundred five million, forty-two thousand, five hundred three".