25550067616256 has 40 divisors (see below), whose sum is σ = 51050733939744. Its totient is φ = 12774908390400.

The previous prime is 25550067616243. The next prime is 25550067616261. The reversal of 25550067616256 is 65261676005552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73786181 + ... + 74131643.

Almost surely, 2^{25550067616256} is an apocalyptic number.

It is an amenable number.

25550067616256 is a deficient number, since it is larger than the sum of its proper divisors (25500666323488).

25550067616256 is an equidigital number, since it uses as much as digits as its factorization.

25550067616256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489932 (or 489916 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 56.

The spelling of 25550067616256 in words is "twenty-five trillion, five hundred fifty billion, sixty-seven million, six hundred sixteen thousand, two hundred fifty-six".