101394887959691 has 2 divisors, whose sum is σ = 101394887959692. Its totient is φ = 101394887959690.

The previous prime is 101394887959669. The next prime is 101394887959699. The reversal of 101394887959691 is 196959788493101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101394887959691 is a prime.

It is not a weakly prime, because it can be changed into another prime (101394887959699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50697443979845 + 50697443979846.

It is an arithmetic number, because the mean of its divisors is an integer number (50697443979846).

Almost surely, 2^{101394887959691} is an apocalyptic number.

101394887959691 is a deficient number, since it is larger than the sum of its proper divisors (1).

101394887959691 is an equidigital number, since it uses as much as digits as its factorization.

101394887959691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058158080, while the sum is 80.

The spelling of 101394887959691 in words is "one hundred one trillion, three hundred ninety-four billion, eight hundred eighty-seven million, nine hundred fifty-nine thousand, six hundred ninety-one".