1351007305691 has 2 divisors, whose sum is σ = 1351007305692. Its totient is φ = 1351007305690.

The previous prime is 1351007305553. The next prime is 1351007305729. The reversal of 1351007305691 is 1965037001531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351007305691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351007308691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675503652845 + 675503652846.

It is an arithmetic number, because the mean of its divisors is an integer number (675503652846).

Almost surely, 2^{1351007305691} is an apocalyptic number.

1351007305691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351007305691 is an equidigital number, since it uses as much as digits as its factorization.

1351007305691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85050, while the sum is 41.

The spelling of 1351007305691 in words is "one trillion, three hundred fifty-one billion, seven million, three hundred five thousand, six hundred ninety-one".