27545368134905 has 8 divisors (see below), whose sum is σ = 33074318164992. Its totient is φ = 22023043572528.

The previous prime is 27545368134901. The next prime is 27545368134929. The reversal of 27545368134905 is 50943186354572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27545368134905 - 2² = 27545368134901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27545368134901) 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, 1656357779 + ... + 1656374408.

It is an arithmetic number, because the mean of its divisors is an integer number (4134289770624).

It is a 1-persistent number, because it is pandigital, but 2⋅27545368134905 = 55090736269810 is not.

Almost surely, 2^{27545368134905} is an apocalyptic number.

It is an amenable number.

27545368134905 is a deficient number, since it is larger than the sum of its proper divisors (5528950030087).

27545368134905 is a wasteful number, since it uses less digits than its factorization.

27545368134905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312733855.

The product of its (nonzero) digits is 108864000, while the sum is 62.

The spelling of 27545368134905 in words is "twenty-seven trillion, five hundred forty-five billion, three hundred sixty-eight million, one hundred thirty-four thousand, nine hundred five".