228807118104865 has 4 divisors (see below), whose sum is σ = 274568541725844. Its totient is φ = 183045694483888.

The previous prime is 228807118104847. The next prime is 228807118104911. The reversal of 228807118104865 is 568401811708822.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43797937236001 + 185009180868864 = 6618001^2 + 13601808^2 .

It is a cyclic number.

It is not a de Polignac number, because 228807118104865 - 2¹⁷ = 228807117973793 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 22880711810482 + ... + 22880711810491.

It is an arithmetic number, because the mean of its divisors is an integer number (68642135431461).

Almost surely, 2^{228807118104865} is an apocalyptic number.

It is an amenable number.

228807118104865 is a deficient number, since it is larger than the sum of its proper divisors (45761423620979).

228807118104865 is an equidigital number, since it uses as much as digits as its factorization.

228807118104865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45761423620978.

The product of its (nonzero) digits is 13762560, while the sum is 61.

The spelling of 228807118104865 in words is "two hundred twenty-eight trillion, eight hundred seven billion, one hundred eighteen million, one hundred four thousand, eight hundred sixty-five".