27343256038121 has 2 divisors, whose sum is σ = 27343256038122. Its totient is φ = 27343256038120.

The previous prime is 27343256038103. The next prime is 27343256038123. The reversal of 27343256038121 is 12183065234372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15340225555600 + 12003030482521 = 3916660^2 + 3464539^2 .

It is a cyclic number.

It is not a de Polignac number, because 27343256038121 - 2⁴² = 22945209527017 is a prime.

Together with 27343256038123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27343256038123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13671628019060 + 13671628019061.

It is an arithmetic number, because the mean of its divisors is an integer number (13671628019061).

Almost surely, 2^{27343256038121} is an apocalyptic number.

It is an amenable number.

27343256038121 is a deficient number, since it is larger than the sum of its proper divisors (1).

27343256038121 is an equidigital number, since it uses as much as digits as its factorization.

27343256038121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 27343256038121 in words is "twenty-seven trillion, three hundred forty-three billion, two hundred fifty-six million, thirty-eight thousand, one hundred twenty-one".