10503440103 has 64 divisors (see below), whose sum is σ = 16308633600. Its totient is φ = 5958023040.

The previous prime is 10503440069. The next prime is 10503440111. The reversal of 10503440103 is 30104430501.

It is not a de Polignac number, because 10503440103 - 2¹² = 10503436007 is a prime.

It is a super-2 number, since 2×10503440103² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10503440103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503440183) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6651168 + ... + 6652746.

It is an arithmetic number, because the mean of its divisors is an integer number (254822400).

Almost surely, 2^10503440103 is an apocalyptic number.

10503440103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10503440103 is a deficient number, since it is larger than the sum of its proper divisors (5805193497).

10503440103 is a wasteful number, since it uses less digits than its factorization.

10503440103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 10503440103 its reverse (30104430501), we get a palindrome (40607870604).

The spelling of 10503440103 in words is "ten billion, five hundred three million, four hundred forty thousand, one hundred three".