225805115353188 has 24 divisors (see below), whose sum is σ = 602146974275392. Its totient is φ = 64515747243744.

The previous prime is 225805115353187. The next prime is 225805115353193. The reversal of 225805115353188 is 881353511508522.

It is not an unprimeable number, because it can be changed into a prime (225805115353187) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1344078067495 + ... + 1344078067662.

Almost surely, 2^{225805115353188} is an apocalyptic number.

225805115353188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225805115353188 is an abundant number, since it is smaller than the sum of its proper divisors (376341858922204).

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

225805115353188 is a wasteful number, since it uses less digits than its factorization.

225805115353188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688156135171 (or 2688156135169 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 57.

The spelling of 225805115353188 in words is "two hundred twenty-five trillion, eight hundred five billion, one hundred fifteen million, three hundred fifty-three thousand, one hundred eighty-eight".