25199960216 has 16 divisors (see below), whose sum is σ = 48402363240. Its totient is φ = 12292663360.

The previous prime is 25199960213. The next prime is 25199960273. The reversal of 25199960216 is 61206999152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25199960213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38414246 + ... + 38414901.

Almost surely, 2^25199960216 is an apocalyptic number.

It is an amenable number.

25199960216 is a deficient number, since it is larger than the sum of its proper divisors (23202403024).

25199960216 is a wasteful number, since it uses less digits than its factorization.

25199960216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76829194 (or 76829190 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 25199960216 in words is "twenty-five billion, one hundred ninety-nine million, nine hundred sixty thousand, two hundred sixteen".