10545003203 has 6 divisors (see below), whose sum is σ = 12266636436. Its totient is φ = 9038574132.

The previous prime is 10545003197. The next prime is 10545003233. The reversal of 10545003203 is 30230054501.

It is a de Polignac number, because none of the positive numbers 2^k-10545003203 is a prime.

It is a super-2 number, since 2×10545003203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10545003233) 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 5 ways as a sum of consecutive naturals, for example, 107602025 + ... + 107602122.

It is an arithmetic number, because the mean of its divisors is an integer number (2044439406).

Almost surely, 2^10545003203 is an apocalyptic number.

10545003203 is a deficient number, since it is larger than the sum of its proper divisors (1721633233).

10545003203 is an equidigital number, since it uses as much as digits as its factorization.

10545003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215204161 (or 215204154 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 10545003203 its reverse (30230054501), we get a palindrome (40775057704).

The spelling of 10545003203 in words is "ten billion, five hundred forty-five million, three thousand, two hundred three".