28112926503 has 16 divisors (see below), whose sum is σ = 39728244960. Its totient is φ = 17621968896.

The previous prime is 28112926493. The next prime is 28112926561. The reversal of 28112926503 is 30562921182.

It is not a de Polignac number, because 28112926503 - 2⁹ = 28112925991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28112976503) 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 15 ways as a sum of consecutive naturals, for example, 221700 + ... + 324617.

It is an arithmetic number, because the mean of its divisors is an integer number (2483015310).

Almost surely, 2^28112926503 is an apocalyptic number.

28112926503 is a deficient number, since it is larger than the sum of its proper divisors (11615318457).

28112926503 is a wasteful number, since it uses less digits than its factorization.

28112926503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547346.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 28112926503 in words is "twenty-eight billion, one hundred twelve million, nine hundred twenty-six thousand, five hundred three".