10105250503 has 4 divisors (see below), whose sum is σ = 10142816760. Its totient is φ = 10067684248.

The previous prime is 10105250501. The next prime is 10105250543. The reversal of 10105250503 is 30505250101.

10105250503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30505250101 = 19 ⋅1605539479.

It is a cyclic number.

It is not a de Polignac number, because 10105250503 - 2¹ = 10105250501 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10105250501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18782725 + ... + 18783262.

It is an arithmetic number, because the mean of its divisors is an integer number (2535704190).

Almost surely, 2^10105250503 is an apocalyptic number.

10105250503 is a deficient number, since it is larger than the sum of its proper divisors (37566257).

10105250503 is an equidigital number, since it uses as much as digits as its factorization.

10105250503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37566256.

The product of its (nonzero) digits is 750, while the sum is 22.

The spelling of 10105250503 in words is "ten billion, one hundred five million, two hundred fifty thousand, five hundred three".