25525012056212 has 6 divisors (see below), whose sum is σ = 44668771098378. Its totient is φ = 12762506028104.

The previous prime is 25525012056169. The next prime is 25525012056289. The reversal of 25525012056212 is 21265021052552.

It can be written as a sum of positive squares in only one way, i.e., 23453525437456 + 2071486618756 = 4842884^2 + 1439266^2 .

It is a congruent number.

It is an unprimeable number.

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, 3190626507023 + ... + 3190626507030.

It is an arithmetic number, because the mean of its divisors is an integer number (7444795183063).

Almost surely, 2^{25525012056212} is an apocalyptic number.

It is an amenable number.

25525012056212 is a deficient number, since it is larger than the sum of its proper divisors (19143759042166).

25525012056212 is a wasteful number, since it uses less digits than its factorization.

25525012056212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381253014057 (or 6381253014055 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 25525012056212 in words is "twenty-five trillion, five hundred twenty-five billion, twelve million, fifty-six thousand, two hundred twelve".