99910001117 has 4 divisors (see below), whose sum is σ = 99910638720. Its totient is φ = 99909363516.

The previous prime is 99910001111. The next prime is 99910001123. The reversal of 99910001117 is 71110001999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71110001999 = 179 ⋅397262581.

It is an interprime number because it is at equal distance from previous prime (99910001111) and next prime (99910001123).

It is a cyclic number.

It is not a de Polignac number, because 99910001117 - 2²⁴ = 99893223901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99910001111) 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 in 3 ways as a sum of consecutive naturals, for example, 97118 + ... + 457440.

It is an arithmetic number, because the mean of its divisors is an integer number (24977659680).

Almost surely, 2^99910001117 is an apocalyptic number.

It is an amenable number.

99910001117 is a deficient number, since it is larger than the sum of its proper divisors (637603).

99910001117 is a wasteful number, since it uses less digits than its factorization.

99910001117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637602.

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

The spelling of 99910001117 in words is "ninety-nine billion, nine hundred ten million, one thousand, one hundred seventeen".