28114746125 has 16 divisors (see below), whose sum is σ = 35343335664. Its totient is φ = 22327609600.

The previous prime is 28114746103. The next prime is 28114746133. The reversal of 28114746125 is 52164741182.

It can be written as a sum of positive squares in 8 ways, for example, as 16694190436 + 11420555689 = 129206^2 + 106867^2 .

It is a de Polignac number, because none of the positive numbers 2^k-28114746125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 803744 + ... + 837993.

It is an arithmetic number, because the mean of its divisors is an integer number (2208958479).

Almost surely, 2^28114746125 is an apocalyptic number.

28114746125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28114746125 is a deficient number, since it is larger than the sum of its proper divisors (7228589539).

28114746125 is a wasteful number, since it uses less digits than its factorization.

28114746125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641889 (or 1641879 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The spelling of 28114746125 in words is "twenty-eight billion, one hundred fourteen million, seven hundred forty-six thousand, one hundred twenty-five".