1351110142609 has 2 divisors, whose sum is σ = 1351110142610. Its totient is φ = 1351110142608.

The previous prime is 1351110142583. The next prime is 1351110142637. The reversal of 1351110142609 is 9062410111531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1351108666384 + 1476225 = 1162372^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351110142609 - 2¹³ = 1351110134417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351110142409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675555071304 + 675555071305.

It is an arithmetic number, because the mean of its divisors is an integer number (675555071305).

Almost surely, 2^{1351110142609} is an apocalyptic number.

It is an amenable number.

1351110142609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351110142609 is an equidigital number, since it uses as much as digits as its factorization.

1351110142609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 1351110142609 in words is "one trillion, three hundred fifty-one billion, one hundred ten million, one hundred forty-two thousand, six hundred nine".