10543103503 has 24 divisors (see below), whose sum is σ = 11583832064. Its totient is φ = 9583920000.

The previous prime is 10543103419. The next prime is 10543103507. The reversal of 10543103503 is 30530134501.

It is not a de Polignac number, because 10543103503 - 2⁹ = 10543102991 is a prime.

It is a super-2 number, since 2×10543103503² (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 (10543103507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6727426 + ... + 6728992.

Almost surely, 2^10543103503 is an apocalyptic number.

10543103503 is a deficient number, since it is larger than the sum of its proper divisors (1040728561).

10543103503 is a wasteful number, since it uses less digits than its factorization.

10543103503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 10543103503 in words is "ten billion, five hundred forty-three million, one hundred three thousand, five hundred three".