27505000525 has 12 divisors (see below), whose sum is σ = 34899369472. Its totient is φ = 21492278640.

The previous prime is 27505000507. The next prime is 27505000529. The reversal of 27505000525 is 52500050572.

It is not a de Polignac number, because 27505000525 - 2⁵ = 27505000493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27505000529) 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, 12791949 + ... + 12794098.

Almost surely, 2^27505000525 is an apocalyptic number.

27505000525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27505000525 is a deficient number, since it is larger than the sum of its proper divisors (7394368947).

27505000525 is a wasteful number, since it uses less digits than its factorization.

27505000525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25586100 (or 25586095 counting only the distinct ones).

The product of its (nonzero) digits is 17500, while the sum is 31.

The spelling of 27505000525 in words is "twenty-seven billion, five hundred five million, five hundred twenty-five", and thus it is an aban number.