28506005114 has 4 divisors (see below), whose sum is σ = 42759007674. Its totient is φ = 14253002556.

The previous prime is 28506005071. The next prime is 28506005119. The reversal of 28506005114 is 41150060582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14512298089 + 13993707025 = 120467^2 + 118295^2 .

It is not an unprimeable number, because it can be changed into a prime (28506005119) 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 as a sum of consecutive naturals, namely, 7126501277 + ... + 7126501280.

Almost surely, 2^28506005114 is an apocalyptic number.

28506005114 is a deficient number, since it is larger than the sum of its proper divisors (14253002560).

28506005114 is a wasteful number, since it uses less digits than its factorization.

28506005114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14253002559.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 28506005114 its reverse (41150060582), we get a palindrome (69656065696).

The spelling of 28506005114 in words is "twenty-eight billion, five hundred six million, five thousand, one hundred fourteen".