25025503752 has 96 divisors (see below), whose sum is σ = 71814277080. Its totient is φ = 7845672960.

The previous prime is 25025503747. The next prime is 25025503753. The reversal of 25025503752 is 25730552052.

25025503752 is a `hidden beast` number, since 2 + 50 + 2 + 550 + 3 + 7 + 52 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 24521680836 + 503822916 = 156594^2 + 22446^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25025503753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1977798 + ... + 1990410.

Almost surely, 2^25025503752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25025503752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35907138540).

25025503752 is an abundant number, since it is smaller than the sum of its proper divisors (46788773328).

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

25025503752 is a wasteful number, since it uses less digits than its factorization.

25025503752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263 (or 14256 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 36.

The spelling of 25025503752 in words is "twenty-five billion, twenty-five million, five hundred three thousand, seven hundred fifty-two".