25288515072 has 60 divisors (see below), whose sum is σ = 72984380040. Its totient is φ = 8429503488.

The previous prime is 25288515071. The next prime is 25288515073. The reversal of 25288515072 is 27051588252.

25288515072 is a `hidden beast` number, since 2 + 52 + 88 + 515 + 0 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (25288515071) and next prime (25288515073).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25288515071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2739372 + ... + 2748587.

It is an arithmetic number, because the mean of its divisors is an integer number (1216406334).

Almost surely, 2^25288515072 is an apocalyptic number.

It is an amenable number.

25288515072 is an abundant number, since it is smaller than the sum of its proper divisors (47695864968).

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

25288515072 is an equidigital number, since it uses as much as digits as its factorization.

25288515072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5487983 (or 5487964 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 25288515072 in words is "twenty-five billion, two hundred eighty-eight million, five hundred fifteen thousand, seventy-two".