27315722443055 has 4 divisors (see below), whose sum is σ = 32778866931672. Its totient is φ = 21852577954440.

The previous prime is 27315722443019. The next prime is 27315722443069. The reversal of 27315722443055 is 55034422751372.

It is a happy number.

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

It is not a de Polignac number, because 27315722443055 - 2¹² = 27315722438959 is a prime.

It is a super-2 number, since 2×27315722443055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27315722442994 and 27315722443012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2731572244301 + ... + 2731572244310.

It is an arithmetic number, because the mean of its divisors is an integer number (8194716732918).

Almost surely, 2^{27315722443055} is an apocalyptic number.

27315722443055 is a deficient number, since it is larger than the sum of its proper divisors (5463144488617).

27315722443055 is an equidigital number, since it uses as much as digits as its factorization.

27315722443055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463144488616.

The product of its (nonzero) digits is 7056000, while the sum is 50.

The spelling of 27315722443055 in words is "twenty-seven trillion, three hundred fifteen billion, seven hundred twenty-two million, four hundred forty-three thousand, fifty-five".