25357120986054 has 128 divisors (see below), whose sum is σ = 60144973701120. Its totient is φ = 7025703235200.

The previous prime is 25357120986049. The next prime is 25357120986097. The reversal of 25357120986054 is 45068902175352.

It is a junction number, because it is equal to n+sod(n) for n = 25357120985985 and 25357120986003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1038405457 + ... + 1038429875.

It is an arithmetic number, because the mean of its divisors is an integer number (469882607040).

It is a 1-persistent number, because it is pandigital, but 2⋅25357120986054 = 50714241972108 is not.

Almost surely, 2^{25357120986054} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25357120986054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30072486850560).

25357120986054 is an abundant number, since it is smaller than the sum of its proper divisors (34787852715066).

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

25357120986054 is a wasteful number, since it uses less digits than its factorization.

25357120986054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35866.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 25357120986054 in words is "twenty-five trillion, three hundred fifty-seven billion, one hundred twenty million, nine hundred eighty-six thousand, fifty-four".