1350322140581 has 2 divisors, whose sum is σ = 1350322140582. Its totient is φ = 1350322140580.

The previous prime is 1350322140577. The next prime is 1350322140589. The reversal of 1350322140581 is 1850412230531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1132574850625 + 217747289956 = 1064225^2 + 466634^2 .

It is a cyclic number.

It is not a de Polignac number, because 1350322140581 - 2² = 1350322140577 is a prime.

It is a super-2 number, since 2×1350322140581² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350322140589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675161070290 + 675161070291.

It is an arithmetic number, because the mean of its divisors is an integer number (675161070291).

Almost surely, 2^{1350322140581} is an apocalyptic number.

It is an amenable number.

1350322140581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350322140581 is an equidigital number, since it uses as much as digits as its factorization.

1350322140581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 1350322140581 in words is "one trillion, three hundred fifty billion, three hundred twenty-two million, one hundred forty thousand, five hundred eighty-one".