25625132065218 has 48 divisors (see below), whose sum is σ = 59962265029440. Its totient is φ = 7279145675424.

The previous prime is 25625132065217. The next prime is 25625132065231. The reversal of 25625132065218 is 81256023152652.

It is not an unprimeable number, because it can be changed into a prime (25625132065217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251857558 + ... + 251959281.

It is an arithmetic number, because the mean of its divisors is an integer number (1249213854780).

Almost surely, 2^{25625132065218} is an apocalyptic number.

25625132065218 is an abundant number, since it is smaller than the sum of its proper divisors (34337132964222).

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

25625132065218 is a wasteful number, since it uses less digits than its factorization.

25625132065218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503817031 (or 503817024 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 25625132065218 in words is "twenty-five trillion, six hundred twenty-five billion, one hundred thirty-two million, sixty-five thousand, two hundred eighteen".