25311203875968 has 128 divisors (see below), whose sum is σ = 68585494024320. Its totient is φ = 8269017808896.

The previous prime is 25311203875939. The next prime is 25311203875981. The reversal of 25311203875968 is 86957830211352.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537846 + ... + 7135242.

It is an arithmetic number, because the mean of its divisors is an integer number (535824172065).

Almost surely, 2^{25311203875968} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25311203875968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34292747012160).

25311203875968 is an abundant number, since it is smaller than the sum of its proper divisors (43274290148352).

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

25311203875968 is a wasteful number, since it uses less digits than its factorization.

25311203875968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597614 (or 6597602 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 25311203875968 in words is "twenty-five trillion, three hundred eleven billion, two hundred three million, eight hundred seventy-five thousand, nine hundred sixty-eight".