275265127645 has 4 divisors (see below), whose sum is σ = 330318153180. Its totient is φ = 220212102112.

The previous prime is 275265127639. The next prime is 275265127651. The reversal of 275265127645 is 546721562572.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (275265127639) and next prime (275265127651).

It can be written as a sum of positive squares in 2 ways, for example, as 211295589561 + 63969538084 = 459669^2 + 252922^2 .

It is a cyclic number.

It is not a de Polignac number, because 275265127645 - 2¹⁵ = 275265094877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275265127592 and 275265127601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27526512760 + ... + 27526512769.

It is an arithmetic number, because the mean of its divisors is an integer number (82579538295).

Almost surely, 2^275265127645 is an apocalyptic number.

It is an amenable number.

275265127645 is a deficient number, since it is larger than the sum of its proper divisors (55053025535).

275265127645 is an equidigital number, since it uses as much as digits as its factorization.

275265127645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55053025534.

The product of its digits is 7056000, while the sum is 52.

The spelling of 275265127645 in words is "two hundred seventy-five billion, two hundred sixty-five million, one hundred twenty-seven thousand, six hundred forty-five".