25253165512064 has 64 divisors (see below), whose sum is σ = 58669435284000. Its totient is φ = 10822785200640.

The previous prime is 25253165511979. The next prime is 25253165512103. The reversal of 25253165512064 is 46021556135252.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287551367 + ... + 287639174.

Almost surely, 2^{25253165512064} is an apocalyptic number.

It is an amenable number.

25253165512064 is an abundant number, since it is smaller than the sum of its proper divisors (33416269771936).

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

25253165512064 is an frugal number, since it uses more digits than its factorization.

25253165512064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575190576 (or 575190550 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 25253165512064 in words is "twenty-five trillion, two hundred fifty-three billion, one hundred sixty-five million, five hundred twelve thousand, sixty-four".