27750275275025 has 24 divisors (see below), whose sum is σ = 36564139292184. Its totient is φ = 20819967795200.

The previous prime is 27750275274989. The next prime is 27750275275033. The reversal of 27750275275025 is 52057257205772.

It can be written as a sum of positive squares in 12 ways, for example, as 6556994999569 + 21193280275456 = 2560663^2 + 4603616^2 .

It is not a de Polignac number, because 27750275275025 - 2¹⁸ = 27750275012881 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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, 116063432 + ... + 116302281.

It is an arithmetic number, because the mean of its divisors is an integer number (1523505803841).

Almost surely, 2^{27750275275025} is an apocalyptic number.

27750275275025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27750275275025 is a deficient number, since it is larger than the sum of its proper divisors (8813864017159).

27750275275025 is a wasteful number, since it uses less digits than its factorization.

27750275275025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232366021 (or 232366016 counting only the distinct ones).

The product of its (nonzero) digits is 24010000, while the sum is 56.

The spelling of 27750275275025 in words is "twenty-seven trillion, seven hundred fifty billion, two hundred seventy-five million, two hundred seventy-five thousand, twenty-five".