27011434042791 has 24 divisors (see below), whose sum is σ = 42583005653760. Its totient is φ = 16363053075600.

The previous prime is 27011434042783. The next prime is 27011434042867. The reversal of 27011434042791 is 19724043411072.

27011434042791 is a `hidden beast` number, since 2 + 70 + 114 + 3 + 40 + 427 + 9 + 1 = 666.

It is not a de Polignac number, because 27011434042791 - 2³ = 27011434042783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27011434042711) 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 23 ways as a sum of consecutive naturals, for example, 62391615 + ... + 62823056.

It is an arithmetic number, because the mean of its divisors is an integer number (1774291902240).

Almost surely, 2^{27011434042791} is an apocalyptic number.

27011434042791 is a deficient number, since it is larger than the sum of its proper divisors (15571571610969).

27011434042791 is a wasteful number, since it uses less digits than its factorization.

27011434042791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125216867 (or 125216864 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 27011434042791 in words is "twenty-seven trillion, eleven billion, four hundred thirty-four million, forty-two thousand, seven hundred ninety-one".