2052456542503 has 4 divisors (see below), whose sum is σ = 2073615888400. Its totient is φ = 2031297196608.

The previous prime is 2052456542501. The next prime is 2052456542509. The reversal of 2052456542503 is 3052456542502.

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 2052456542503 - 2¹ = 2052456542501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2052456542503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052456542501) 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, 10579672803 + ... + 10579672996.

It is an arithmetic number, because the mean of its divisors is an integer number (518403972100).

Almost surely, 2^{2052456542503} is an apocalyptic number.

2052456542503 is a deficient number, since it is larger than the sum of its proper divisors (21159345897).

2052456542503 is an equidigital number, since it uses as much as digits as its factorization.

2052456542503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21159345896.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Subtracting 2052456542503 from its reverse (3052456542502), we obtain a palindrome (999999999999).

The spelling of 2052456542503 in words is "two trillion, fifty-two billion, four hundred fifty-six million, five hundred forty-two thousand, five hundred three".