2543152403503 has 4 divisors (see below), whose sum is σ = 2543158503648. Its totient is φ = 2543146303360.

The previous prime is 2543152403431. The next prime is 2543152403569. The reversal of 2543152403503 is 3053042513452.

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 2543152403503 - 2¹⁷ = 2543152272431 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 (2543152403573) 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, 2374903 + ... + 3275128.

It is an arithmetic number, because the mean of its divisors is an integer number (635789625912).

Almost surely, 2^{2543152403503} is an apocalyptic number.

2543152403503 is a deficient number, since it is larger than the sum of its proper divisors (6100145).

2543152403503 is an equidigital number, since it uses as much as digits as its factorization.

2543152403503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100144.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 2543152403503 its reverse (3053042513452), we get a palindrome (5596194916955).

The spelling of 2543152403503 in words is "two trillion, five hundred forty-three billion, one hundred fifty-two million, four hundred three thousand, five hundred three".