25203223216 has 10 divisors (see below), whose sum is σ = 48831245012. Its totient is φ = 12601611600.

The previous prime is 25203223181. The next prime is 25203223217. The reversal of 25203223216 is 61232230252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25203223217) 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 as a sum of consecutive naturals, namely, 787600710 + ... + 787600741.

Almost surely, 2^25203223216 is an apocalyptic number.

It is an amenable number.

25203223216 is a deficient number, since it is larger than the sum of its proper divisors (23628021796).

25203223216 is a wasteful number, since it uses less digits than its factorization.

25203223216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575201459 (or 1575201453 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 25203223216 its reverse (61232230252), we get a palindrome (86435453468).

The spelling of 25203223216 in words is "twenty-five billion, two hundred three million, two hundred twenty-three thousand, two hundred sixteen".