6221252105503 has 4 divisors (see below), whose sum is σ = 6222117016368. Its totient is φ = 6220387194640.

The previous prime is 6221252105501. The next prime is 6221252105527. The reversal of 6221252105503 is 3055012521226.

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 6221252105503 - 2¹ = 6221252105501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221252105501) 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, 432444643 + ... + 432459028.

It is an arithmetic number, because the mean of its divisors is an integer number (1555529254092).

Almost surely, 2^{6221252105503} is an apocalyptic number.

6221252105503 is a deficient number, since it is larger than the sum of its proper divisors (864910865).

6221252105503 is an equidigital number, since it uses as much as digits as its factorization.

6221252105503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864910864.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 6221252105503 its reverse (3055012521226), we get a palindrome (9276264626729).

The spelling of 6221252105503 in words is "six trillion, two hundred twenty-one billion, two hundred fifty-two million, one hundred five thousand, five hundred three".