10110091997 has 2 divisors, whose sum is σ = 10110091998. Its totient is φ = 10110091996.

The previous prime is 10110091963. The next prime is 10110092011. The reversal of 10110091997 is 79919001101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10103064196 + 7027801 = 100514^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110091997 - 2¹⁰ = 10110090973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10110091997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10110097997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055045998 + 5055045999.

It is an arithmetic number, because the mean of its divisors is an integer number (5055045999).

Almost surely, 2^10110091997 is an apocalyptic number.

It is an amenable number.

10110091997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10110091997 is an equidigital number, since it uses as much as digits as its factorization.

10110091997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 38.

The spelling of 10110091997 in words is "ten billion, one hundred ten million, ninety-one thousand, nine hundred ninety-seven".