5020421522503 has 4 divisors (see below), whose sum is σ = 5023285427008. Its totient is φ = 5017557618000.

The previous prime is 5020421522497. The next prime is 5020421522521. The reversal of 5020421522503 is 3052251240205.

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 5020421522503 - 2¹⁷ = 5020421391431 is a prime.

It is a super-2 number, since 2×5020421522503² (a number of 26 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 (5020421522903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431949623 + ... + 1431953128.

It is an arithmetic number, because the mean of its divisors is an integer number (1255821356752).

Almost surely, 2^{5020421522503} is an apocalyptic number.

5020421522503 is a deficient number, since it is larger than the sum of its proper divisors (2863904505).

5020421522503 is a wasteful number, since it uses less digits than its factorization.

5020421522503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863904504.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 5020421522503 its reverse (3052251240205), we get a palindrome (8072672762708).

The spelling of 5020421522503 in words is "five trillion, twenty billion, four hundred twenty-one million, five hundred twenty-two thousand, five hundred three".