1377331375241 has 2 divisors, whose sum is σ = 1377331375242. Its totient is φ = 1377331375240.

The previous prime is 1377331375213. The next prime is 1377331375243. The reversal of 1377331375241 is 1425731337731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1150264830016 + 227066545225 = 1072504^2 + 476515^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377331375241 - 2²² = 1377327180937 is a prime.

Together with 1377331375243, 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 (1377331375243) 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 as a sum of consecutive naturals, namely, 688665687620 + 688665687621.

It is an arithmetic number, because the mean of its divisors is an integer number (688665687621).

Almost surely, 2^{1377331375241} is an apocalyptic number.

It is an amenable number.

1377331375241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377331375241 is an equidigital number, since it uses as much as digits as its factorization.

1377331375241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320, while the sum is 47.

The spelling of 1377331375241 in words is "one trillion, three hundred seventy-seven billion, three hundred thirty-one million, three hundred seventy-five thousand, two hundred forty-one".