10421260503 has 4 divisors (see below), whose sum is σ = 13895014008. Its totient is φ = 6947507000.

The previous prime is 10421260477. The next prime is 10421260523. The reversal of 10421260503 is 30506212401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10421260503 - 2⁵ = 10421260471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421260523) 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, 1736876748 + ... + 1736876753.

It is an arithmetic number, because the mean of its divisors is an integer number (3473753502).

Almost surely, 2^10421260503 is an apocalyptic number.

10421260503 is a deficient number, since it is larger than the sum of its proper divisors (3473753505).

10421260503 is an equidigital number, since it uses as much as digits as its factorization.

10421260503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473753504.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 10421260503 its reverse (30506212401), we get a palindrome (40927472904).

The spelling of 10421260503 in words is "ten billion, four hundred twenty-one million, two hundred sixty thousand, five hundred three".