27318564065020 has 24 divisors (see below), whose sum is σ = 57455775766368. Its totient is φ = 10910893963200.

The previous prime is 27318564065003. The next prime is 27318564065021. The reversal of 27318564065020 is 2056046581372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27318564065021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033215376 + ... + 1033241815.

It is an arithmetic number, because the mean of its divisors is an integer number (2393990656932).

Almost surely, 2^{27318564065020} is an apocalyptic number.

27318564065020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27318564065020 is an abundant number, since it is smaller than the sum of its proper divisors (30137211701348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27318564065020 is a wasteful number, since it uses less digits than its factorization.

27318564065020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066457861 (or 2066457859 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 27318564065020 in words is "twenty-seven trillion, three hundred eighteen billion, five hundred sixty-four million, sixty-five thousand, twenty".