27545282461 has 16 divisors (see below), whose sum is σ = 29346997680. Its totient is φ = 25763927040.

The previous prime is 27545282447. The next prime is 27545282491. The reversal of 27545282461 is 16428254572.

It can be written as a sum of positive squares in 8 ways, for example, as 519566436 + 27025716025 = 22794^2 + 164395^2 .

It is not a de Polignac number, because 27545282461 - 2⁹ = 27545281949 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 (27545282491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7102855 + ... + 7106731.

It is an arithmetic number, because the mean of its divisors is an integer number (1834187355).

Almost surely, 2^27545282461 is an apocalyptic number.

It is an amenable number.

27545282461 is a deficient number, since it is larger than the sum of its proper divisors (1801715219).

27545282461 is a wasteful number, since it uses less digits than its factorization.

27545282461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384.

The product of its digits is 1075200, while the sum is 46.

The spelling of 27545282461 in words is "twenty-seven billion, five hundred forty-five million, two hundred eighty-two thousand, four hundred sixty-one".