25525107752 has 32 divisors (see below), whose sum is σ = 48226725000. Its totient is φ = 12664812288.

The previous prime is 25525107743. The next prime is 25525107757. The reversal of 25525107752 is 25770152552.

It can be written as a sum of positive squares in 4 ways, for example, as 4393833796 + 21131273956 = 66286^2 + 145366^2 .

It is a super-2 number, since 2×25525107752² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25525107757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312274 + ... + 1331582.

Almost surely, 2^25525107752 is an apocalyptic number.

It is an amenable number.

25525107752 is a deficient number, since it is larger than the sum of its proper divisors (22701617248).

25525107752 is a wasteful number, since it uses less digits than its factorization.

25525107752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20573 (or 20569 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 41.

The spelling of 25525107752 in words is "twenty-five billion, five hundred twenty-five million, one hundred seven thousand, seven hundred fifty-two".