27750275252525 has 24 divisors (see below), whose sum is σ = 39326805792384. Its totient is φ = 19028420769600.

The previous prime is 27750275252431. The next prime is 27750275252587. The reversal of 27750275252525 is 52525257205772.

It is not a de Polignac number, because 27750275252525 - 2¹⁸ = 27750274990381 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 23 ways as a sum of consecutive naturals, for example, 8628455 + ... + 11399595.

It is an arithmetic number, because the mean of its divisors is an integer number (1638616908016).

Almost surely, 2^{27750275252525} is an apocalyptic number.

27750275252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27750275252525 is a deficient number, since it is larger than the sum of its proper divisors (11576530539859).

27750275252525 is a wasteful number, since it uses less digits than its factorization.

27750275252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828381 (or 2828376 counting only the distinct ones).

The product of its (nonzero) digits is 34300000, while the sum is 56.

The spelling of 27750275252525 in words is "twenty-seven trillion, seven hundred fifty billion, two hundred seventy-five million, two hundred fifty-two thousand, five hundred twenty-five".