1316242635091 has 2 divisors, whose sum is σ = 1316242635092. Its totient is φ = 1316242635090.

The previous prime is 1316242635067. The next prime is 1316242635193. The reversal of 1316242635091 is 1905362426131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1316242635091 - 2¹⁷ = 1316242504019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1316242635031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658121317545 + 658121317546.

It is an arithmetic number, because the mean of its divisors is an integer number (658121317546).

Almost surely, 2^{1316242635091} is an apocalyptic number.

1316242635091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316242635091 is an equidigital number, since it uses as much as digits as its factorization.

1316242635091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 1316242635091 in words is "one trillion, three hundred sixteen billion, two hundred forty-two million, six hundred thirty-five thousand, ninety-one".