25351202560 has 108 divisors (see below), whose sum is σ = 61323029208. Its totient is φ = 10041421824.

The previous prime is 25351202521. The next prime is 25351202563. The reversal of 25351202560 is 6520215352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25351202563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15206847 + ... + 15208513.

It is an arithmetic number, because the mean of its divisors is an integer number (567805826).

Almost surely, 2^25351202560 is an apocalyptic number.

25351202560 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 25351202560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30661514604).

25351202560 is an abundant number, since it is smaller than the sum of its proper divisors (35971826648).

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

25351202560 is an equidigital number, since it uses as much as digits as its factorization.

25351202560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 25351202560 in words is "twenty-five billion, three hundred fifty-one million, two hundred two thousand, five hundred sixty".