28271432503 has 2 divisors, whose sum is σ = 28271432504. Its totient is φ = 28271432502.

The previous prime is 28271432417. The next prime is 28271432513. The reversal of 28271432503 is 30523417282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28271432503 - 2³³ = 19681497911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28271432513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14135716251 + 14135716252.

It is an arithmetic number, because the mean of its divisors is an integer number (14135716252).

Almost surely, 2^28271432503 is an apocalyptic number.

28271432503 is a deficient number, since it is larger than the sum of its proper divisors (1).

28271432503 is an equidigital number, since it uses as much as digits as its factorization.

28271432503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 28271432503 its reverse (30523417282), we get a palindrome (58794849785).

The spelling of 28271432503 in words is "twenty-eight billion, two hundred seventy-one million, four hundred thirty-two thousand, five hundred three".