28268684130225 has 288 divisors, whose sum is σ = 59829070694400. Its totient is φ = 11645619955200.

The previous prime is 28268684130179. The next prime is 28268684130283. The reversal of 28268684130225 is 52203148686282.

It is a happy number.

It is not a de Polignac number, because 28268684130225 - 2⁶ = 28268684130161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 4040111427 + ... + 4040118423.

It is an arithmetic number, because the mean of its divisors is an integer number (207739828800).

Almost surely, 2^{28268684130225} is an apocalyptic number.

28268684130225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28268684130225 is an abundant number, since it is smaller than the sum of its proper divisors (31560386564175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28268684130225 is a wasteful number, since it uses less digits than its factorization.

28268684130225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7893 (or 7881 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 57.

The spelling of 28268684130225 in words is "twenty-eight trillion, two hundred sixty-eight billion, six hundred eighty-four million, one hundred thirty thousand, two hundred twenty-five".