27144045131 has 4 divisors (see below), whose sum is σ = 31021765872. Its totient is φ = 23266324392.

The previous prime is 27144045077. The next prime is 27144045151. The reversal of 27144045131 is 13154044172.

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

It is a cyclic number.

It is not a de Polignac number, because 27144045131 - 2¹⁸ = 27143782987 is a prime.

It is a super-2 number, since 2×27144045131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27144045151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938860360 + ... + 1938860373.

It is an arithmetic number, because the mean of its divisors is an integer number (7755441468).

Almost surely, 2^27144045131 is an apocalyptic number.

27144045131 is a deficient number, since it is larger than the sum of its proper divisors (3877720741).

27144045131 is an equidigital number, since it uses as much as digits as its factorization.

27144045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877720740.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 27144045131 in words is "twenty-seven billion, one hundred forty-four million, forty-five thousand, one hundred thirty-one".