27741711155 has 4 divisors (see below), whose sum is σ = 33290053392. Its totient is φ = 22193368920.

The previous prime is 27741711113. The next prime is 27741711157. The reversal of 27741711155 is 55111714772.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-27741711155 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27741711157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2774171111 + ... + 2774171120.

It is an arithmetic number, because the mean of its divisors is an integer number (8322513348).

Almost surely, 2^27741711155 is an apocalyptic number.

27741711155 is a deficient number, since it is larger than the sum of its proper divisors (5548342237).

27741711155 is an equidigital number, since it uses as much as digits as its factorization.

27741711155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548342236.

The product of its digits is 68600, while the sum is 41.

The spelling of 27741711155 in words is "twenty-seven billion, seven hundred forty-one million, seven hundred eleven thousand, one hundred fifty-five".