10251040503 has 24 divisors (see below), whose sum is σ = 15031926000. Its totient is φ = 6209294080.

The previous prime is 10251040489. The next prime is 10251040543. The reversal of 10251040503 is 30504015201.

It is not a de Polignac number, because 10251040503 - 2¹⁶ = 10250974967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10251040503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10251040543) 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, 744223 + ... + 757871.

It is an arithmetic number, because the mean of its divisors is an integer number (626330250).

Almost surely, 2^10251040503 is an apocalyptic number.

10251040503 is a deficient number, since it is larger than the sum of its proper divisors (4780885497).

10251040503 is a wasteful number, since it uses less digits than its factorization.

10251040503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15743 (or 15732 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 10251040503 its reverse (30504015201), we get a palindrome (40755055704).

The spelling of 10251040503 in words is "ten billion, two hundred fifty-one million, forty thousand, five hundred three".