27152542271 has 4 divisors (see below), whose sum is σ = 27154871352. Its totient is φ = 27150213192.

The previous prime is 27152542267. The next prime is 27152542297. The reversal of 27152542271 is 17224525172.

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 27152542271 - 2² = 27152542267 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 (27152532271) 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, 1146965 + ... + 1170398.

It is an arithmetic number, because the mean of its divisors is an integer number (6788717838).

Almost surely, 2^27152542271 is an apocalyptic number.

27152542271 is a deficient number, since it is larger than the sum of its proper divisors (2329081).

27152542271 is a wasteful number, since it uses less digits than its factorization.

27152542271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329080.

The product of its digits is 78400, while the sum is 38.

The spelling of 27152542271 in words is "twenty-seven billion, one hundred fifty-two million, five hundred forty-two thousand, two hundred seventy-one".