25104952859868 has 360 divisors, whose sum is σ = 78830581530624. Its totient is φ = 6939385992000.

The previous prime is 25104952859849. The next prime is 25104952859893. The reversal of 25104952859868 is 86895825940152.

It is a happy number.

25104952859868 is a `hidden beast` number, since 2 + 5 + 1 + 0 + 4 + 9 + 5 + 28 + 598 + 6 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25104952859796 and 25104952859805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2436659205 + ... + 2436669507.

Almost surely, 2^{25104952859868} is an apocalyptic number.

25104952859868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25104952859868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39415290765312).

25104952859868 is an abundant number, since it is smaller than the sum of its proper divisors (53725628670756).

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

25104952859868 is a wasteful number, since it uses less digits than its factorization.

25104952859868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15315 (or 15297 counting only the distinct ones).

The product of its (nonzero) digits is 497664000, while the sum is 72.

The spelling of 25104952859868 in words is "twenty-five trillion, one hundred four billion, nine hundred fifty-two million, eight hundred fifty-nine thousand, eight hundred sixty-eight".