27505552525 has 12 divisors (see below), whose sum is σ = 37207511424. Its totient is φ = 20004038000.

The previous prime is 27505552519. The next prime is 27505552537. The reversal of 27505552525 is 52525550572.

It is not a de Polignac number, because 27505552525 - 2⁵ = 27505552493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50009821 + ... + 50010370.

It is an arithmetic number, because the mean of its divisors is an integer number (3100625952).

Almost surely, 2^27505552525 is an apocalyptic number.

27505552525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27505552525 is a deficient number, since it is larger than the sum of its proper divisors (9701958899).

27505552525 is a wasteful number, since it uses less digits than its factorization.

27505552525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100020212 (or 100020207 counting only the distinct ones).

The product of its (nonzero) digits is 875000, while the sum is 43.

The spelling of 27505552525 in words is "twenty-seven billion, five hundred five million, five hundred fifty-two thousand, five hundred twenty-five".