25486008712 has 8 divisors (see below), whose sum is σ = 47786266350. Its totient is φ = 12743004352.

The previous prime is 25486008707. The next prime is 25486008721. The reversal of 25486008712 is 21780068452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17959752196 + 7526256516 = 134014^2 + 86754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592875537 + ... + 1592875552.

Almost surely, 2^25486008712 is an apocalyptic number.

It is an amenable number.

25486008712 is a deficient number, since it is larger than the sum of its proper divisors (22300257638).

25486008712 is a wasteful number, since it uses less digits than its factorization.

25486008712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185751095 (or 3185751091 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 25486008712 in words is "twenty-five billion, four hundred eighty-six million, eight thousand, seven hundred twelve".