25005352512 has 112 divisors (see below), whose sum is σ = 77038273152. Its totient is φ = 7009566720.

The previous prime is 25005352507. The next prime is 25005352523. The reversal of 25005352512 is 21525350052.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 25005352512.

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 in 15 ways as a sum of consecutive naturals, for example, 104289 + ... + 246752.

Almost surely, 2^25005352512 is an apocalyptic number.

It is an amenable number.

25005352512 is an abundant number, since it is smaller than the sum of its proper divisors (52032920640).

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

25005352512 is a wasteful number, since it uses less digits than its factorization.

25005352512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351116 (or 351106 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The spelling of 25005352512 in words is "twenty-five billion, five million, three hundred fifty-two thousand, five hundred twelve".