28542368103 has 4 divisors (see below), whose sum is σ = 38056490808. Its totient is φ = 19028245400.

The previous prime is 28542368087. The next prime is 28542368137. The reversal of 28542368103 is 30186324582.

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 28542368103 - 2⁴ = 28542368087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28542368203) 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, 4757061348 + ... + 4757061353.

It is an arithmetic number, because the mean of its divisors is an integer number (9514122702).

Almost surely, 2^28542368103 is an apocalyptic number.

28542368103 is a deficient number, since it is larger than the sum of its proper divisors (9514122705).

28542368103 is an equidigital number, since it uses as much as digits as its factorization.

28542368103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514122704.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 28542368103 in words is "twenty-eight billion, five hundred forty-two million, three hundred sixty-eight thousand, one hundred three".