27525252525 has 12 divisors (see below), whose sum is σ = 45508417632. Its totient is φ = 14680134640.

The previous prime is 27525252509. The next prime is 27525252527. The reversal of 27525252525 is 52525252572.

It is not a de Polignac number, because 27525252525 - 2⁴ = 27525252509 is a prime.

27525252525 is a modest number, since divided by 252525 gives 27525 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27525252527) 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, 183501609 + ... + 183501758.

It is an arithmetic number, because the mean of its divisors is an integer number (3792368136).

Almost surely, 2^27525252525 is an apocalyptic number.

27525252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27525252525 is a deficient number, since it is larger than the sum of its proper divisors (17983165107).

27525252525 is a wasteful number, since it uses less digits than its factorization.

27525252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367003380 (or 367003375 counting only the distinct ones).

The product of its digits is 700000, while the sum is 42.

The spelling of 27525252525 in words is "twenty-seven billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-five".