2401421205503 has 8 divisors (see below), whose sum is σ = 2402300200608. Its totient is φ = 2400542372704.

The previous prime is 2401421205457. The next prime is 2401421205539. The reversal of 2401421205503 is 3055021241042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2401421205503 - 2²⁶ = 2401354096639 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 (2401421205553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34817750 + ... + 34886652.

It is an arithmetic number, because the mean of its divisors is an integer number (300287525076).

Almost surely, 2^{2401421205503} is an apocalyptic number.

2401421205503 is a deficient number, since it is larger than the sum of its proper divisors (878995105).

2401421205503 is an equidigital number, since it uses as much as digits as its factorization.

2401421205503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81153.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 2401421205503 its reverse (3055021241042), we get a palindrome (5456442446545).

The spelling of 2401421205503 in words is "two trillion, four hundred one billion, four hundred twenty-one million, two hundred five thousand, five hundred three".