10850003503 has 4 divisors (see below), whose sum is σ = 11200003648. Its totient is φ = 10500003360.

The previous prime is 10850003501. The next prime is 10850003519. The reversal of 10850003503 is 30530005801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30530005801 = 1637 ⋅18649973.

It is a cyclic number.

It is not a de Polignac number, because 10850003503 - 2¹ = 10850003501 is a prime.

It is a super-2 number, since 2×10850003503² (a number of 21 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 (10850003501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175000026 + ... + 175000087.

It is an arithmetic number, because the mean of its divisors is an integer number (2800000912).

Almost surely, 2^10850003503 is an apocalyptic number.

10850003503 is a deficient number, since it is larger than the sum of its proper divisors (350000145).

10850003503 is an equidigital number, since it uses as much as digits as its factorization.

10850003503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350000144.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 10850003503 in words is "ten billion, eight hundred fifty million, three thousand, five hundred three".