1371074014561 has 2 divisors, whose sum is σ = 1371074014562. Its totient is φ = 1371074014560.

The previous prime is 1371074014553. The next prime is 1371074014601. The reversal of 1371074014561 is 1654104701731.

It is an a-pointer prime, because the next prime (1371074014601) can be obtained adding 1371074014561 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1266399118336 + 104674896225 = 1125344^2 + 323535^2 .

It is an emirp because it is prime and its reverse (1654104701731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1371074014561 - 2³ = 1371074014553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1371074014501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685537007280 + 685537007281.

It is an arithmetic number, because the mean of its divisors is an integer number (685537007281).

Almost surely, 2^{1371074014561} is an apocalyptic number.

It is an amenable number.

1371074014561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371074014561 is an equidigital number, since it uses as much as digits as its factorization.

1371074014561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 1371074014561 in words is "one trillion, three hundred seventy-one billion, seventy-four million, fourteen thousand, five hundred sixty-one".