27312545143 has 4 divisors (see below), whose sum is σ = 29413510168. Its totient is φ = 25211580120.

The previous prime is 27312545111. The next prime is 27312545153. The reversal of 27312545143 is 34154521372.

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 27312545143 - 2⁵ = 27312545111 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 (27312545153) by changing a digit.

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, 1050482493 + ... + 1050482518.

It is an arithmetic number, because the mean of its divisors is an integer number (7353377542).

Almost surely, 2^27312545143 is an apocalyptic number.

27312545143 is a deficient number, since it is larger than the sum of its proper divisors (2100965025).

27312545143 is a wasteful number, since it uses less digits than its factorization.

27312545143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100965024.

The product of its digits is 100800, while the sum is 37.

The spelling of 27312545143 in words is "twenty-seven billion, three hundred twelve million, five hundred forty-five thousand, one hundred forty-three".