225121164665352 has 64 divisors (see below), whose sum is σ = 592471462123200. Its totient is φ = 71085212755200.

The previous prime is 225121164665303. The next prime is 225121164665377. The reversal of 225121164665352 is 253566461121522.

It is a junction number, because it is equal to n+sod(n) for n = 225121164665295 and 225121164665304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14012899 + ... + 25428402.

It is an arithmetic number, because the mean of its divisors is an integer number (9257366595675).

Almost surely, 2^{225121164665352} is an apocalyptic number.

It is an amenable number.

225121164665352 is an abundant number, since it is smaller than the sum of its proper divisors (367350297457848).

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

225121164665352 is a wasteful number, since it uses less digits than its factorization.

225121164665352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39453846 (or 39453842 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 51.

The spelling of 225121164665352 in words is "two hundred twenty-five trillion, one hundred twenty-one billion, one hundred sixty-four million, six hundred sixty-five thousand, three hundred fifty-two".