225061957885 has 4 divisors (see below), whose sum is σ = 270074349468. Its totient is φ = 180049566304.

The previous prime is 225061957859. The next prime is 225061957919. The reversal of 225061957885 is 588759160522.

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 105003865849 + 120058092036 = 324043^2 + 346494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225061957885 is a prime.

It is a Duffinian number.

It is a congruent 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, 22506195784 + ... + 22506195793.

It is an arithmetic number, because the mean of its divisors is an integer number (67518587367).

Almost surely, 2^225061957885 is an apocalyptic number.

It is an amenable number.

225061957885 is a deficient number, since it is larger than the sum of its proper divisors (45012391583).

225061957885 is an equidigital number, since it uses as much as digits as its factorization.

225061957885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45012391582.

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 225061957885 in words is "two hundred twenty-five billion, sixty-one million, nine hundred fifty-seven thousand, eight hundred eighty-five".