28548814503 has 48 divisors (see below), whose sum is σ = 42417285120. Its totient is φ = 16938028800.

The previous prime is 28548814487. The next prime is 28548814507. The reversal of 28548814503 is 30541884582.

It is not a de Polignac number, because 28548814503 - 2⁴ = 28548814487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28548814507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28293663 + ... + 28294671.

It is an arithmetic number, because the mean of its divisors is an integer number (883693440).

Almost surely, 2^28548814503 is an apocalyptic number.

28548814503 is a deficient number, since it is larger than the sum of its proper divisors (13868470617).

28548814503 is a wasteful number, since it uses less digits than its factorization.

28548814503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

It can be divided in two parts, 28548 and 814503, that added together give a triangular number (843051 = T₁₂₉₈).

The spelling of 28548814503 in words is "twenty-eight billion, five hundred forty-eight million, eight hundred fourteen thousand, five hundred three".