25590995887968 has 72 divisors (see below), whose sum is σ = 83170736642448. Its totient is φ = 7311713110272.

The previous prime is 25590995887939. The next prime is 25590995887973. The reversal of 25590995887968 is 86978859909552.

It is a happy number.

25590995887968 is a `hidden beast` number, since 2 + 5 + 590 + 9 + 9 + 5 + 8 + 8 + 7 + 9 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6346971171 + ... + 6346975202.

It is an arithmetic number, because the mean of its divisors is an integer number (1155149120034).

Almost surely, 2^{25590995887968} is an apocalyptic number.

25590995887968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25590995887968 is an abundant number, since it is smaller than the sum of its proper divisors (57579740754480).

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

25590995887968 is a wasteful number, since it uses less digits than its factorization.

25590995887968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693946396 (or 12693946385 counting only the distinct ones).

The product of its (nonzero) digits is 35271936000, while the sum is 90.

The spelling of 25590995887968 in words is "twenty-five trillion, five hundred ninety billion, nine hundred ninety-five million, eight hundred eighty-seven thousand, nine hundred sixty-eight".