225984871701671 has 4 divisors (see below), whose sum is σ = 231240333834312. Its totient is φ = 220729409569032.

The previous prime is 225984871701661. The next prime is 225984871701689. The reversal of 225984871701671 is 176107178489522.

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

It is a cyclic number.

It is not a de Polignac number, because 225984871701671 - 2²² = 225984867507367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225984871701661) 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 in 3 ways as a sum of consecutive naturals, for example, 2627731066256 + ... + 2627731066341.

It is an arithmetic number, because the mean of its divisors is an integer number (57810083458578).

Almost surely, 2^{225984871701671} is an apocalyptic number.

225984871701671 is a deficient number, since it is larger than the sum of its proper divisors (5255462132641).

225984871701671 is an equidigital number, since it uses as much as digits as its factorization.

225984871701671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255462132640.

The product of its (nonzero) digits is 94832640, while the sum is 68.

The spelling of 225984871701671 in words is "two hundred twenty-five trillion, nine hundred eighty-four billion, eight hundred seventy-one million, seven hundred one thousand, six hundred seventy-one".