27243211033481 has 2 divisors, whose sum is σ = 27243211033482. Its totient is φ = 27243211033480.

The previous prime is 27243211033429. The next prime is 27243211033561. The reversal of 27243211033481 is 18433011234272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26655443477881 + 587767555600 = 5162891^2 + 766660^2 .

It is a cyclic number.

It is not a de Polignac number, because 27243211033481 - 2³⁰ = 27242137291657 is a prime.

It is a super-2 number, since 2×27243211033481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27243211033421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13621605516740 + 13621605516741.

It is an arithmetic number, because the mean of its divisors is an integer number (13621605516741).

Almost surely, 2^{27243211033481} is an apocalyptic number.

It is an amenable number.

27243211033481 is a deficient number, since it is larger than the sum of its proper divisors (1).

27243211033481 is an equidigital number, since it uses as much as digits as its factorization.

27243211033481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 27243211033481 in words is "twenty-seven trillion, two hundred forty-three billion, two hundred eleven million, thirty-three thousand, four hundred eighty-one".