27512965396045 has 4 divisors (see below), whose sum is σ = 33015558475260. Its totient is φ = 22010372316832.

The previous prime is 27512965396003. The next prime is 27512965396051. The reversal of 27512965396045 is 54069356921572.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18693983911716 + 8818981484329 = 4323654^2 + 2969677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27512965396045 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751296539600 + ... + 2751296539609.

It is an arithmetic number, because the mean of its divisors is an integer number (8253889618815).

Almost surely, 2^{27512965396045} is an apocalyptic number.

It is an amenable number.

27512965396045 is a deficient number, since it is larger than the sum of its proper divisors (5502593079215).

27512965396045 is an equidigital number, since it uses as much as digits as its factorization.

27512965396045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502593079214.

The product of its (nonzero) digits is 122472000, while the sum is 64.

The spelling of 27512965396045 in words is "twenty-seven trillion, five hundred twelve billion, nine hundred sixty-five million, three hundred ninety-six thousand, forty-five".