25727552725 has 12 divisors (see below), whose sum is σ = 36459617824. Its totient is φ = 17641750320.

The previous prime is 25727552723. The next prime is 25727552743. The reversal of 25727552725 is 52725572752.

It is a happy number.

It is not a de Polignac number, because 25727552725 - 2¹ = 25727552723 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25727552723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73507119 + ... + 73507468.

Almost surely, 2^25727552725 is an apocalyptic number.

25727552725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25727552725 is a deficient number, since it is larger than the sum of its proper divisors (10732065099).

25727552725 is a wasteful number, since it uses less digits than its factorization.

25727552725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147014604 (or 147014599 counting only the distinct ones).

The product of its digits is 3430000, while the sum is 49.

The spelling of 25727552725 in words is "twenty-five billion, seven hundred twenty-seven million, five hundred fifty-two thousand, seven hundred twenty-five".