27525252775 has 6 divisors (see below), whose sum is σ = 34131313472. Its totient is φ = 22020202200.

The previous prime is 27525252773. The next prime is 27525252779. The reversal of 27525252775 is 57725252572.

It is a happy number.

It is not a de Polignac number, because 27525252775 - 2¹ = 27525252773 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 (27525252773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550505031 + ... + 550505080.

Almost surely, 2^27525252775 is an apocalyptic number.

27525252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27525252775 is a deficient number, since it is larger than the sum of its proper divisors (6606060697).

27525252775 is a wasteful number, since it uses less digits than its factorization.

27525252775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101010121 (or 1101010116 counting only the distinct ones).

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

The spelling of 27525252775 in words is "twenty-seven billion, five hundred twenty-five million, two hundred fifty-two thousand, seven hundred seventy-five".