25957554685080 has 128 divisors (see below), whose sum is σ = 79789765063680. Its totient is φ = 6751680814080.

The previous prime is 25957554685079. The next prime is 25957554685099. The reversal of 25957554685080 is 8058645575952.

It is a junction number, because it is equal to n+sod(n) for n = 25957554684996 and 25957554685014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21589137 + ... + 22759743.

It is an arithmetic number, because the mean of its divisors is an integer number (623357539560).

Almost surely, 2^{25957554685080} is an apocalyptic number.

25957554685080 is a gapful number since it is divisible by the number (20) 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 25957554685080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39894882531840).

25957554685080 is an abundant number, since it is smaller than the sum of its proper divisors (53832210378600).

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

25957554685080 is a wasteful number, since it uses less digits than its factorization.

25957554685080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175169 (or 1175165 counting only the distinct ones).

The product of its (nonzero) digits is 604800000, while the sum is 69.

The spelling of 25957554685080 in words is "twenty-five trillion, nine hundred fifty-seven billion, five hundred fifty-four million, six hundred eighty-five thousand, eighty".