105999999994127 has 2 divisors, whose sum is σ = 105999999994128. Its totient is φ = 105999999994126.

The previous prime is 105999999994103. The next prime is 105999999994243. The reversal of 105999999994127 is 721499999999501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105999999994127 - 2²⁰ = 105999998945551 is a prime.

It is a super-2 number, since 2×105999999994127² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105999999990127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52999999997063 + 52999999997064.

It is an arithmetic number, because the mean of its divisors is an integer number (52999999997064).

Almost surely, 2^{105999999994127} is an apocalyptic number.

105999999994127 is a deficient number, since it is larger than the sum of its proper divisors (1).

105999999994127 is an equidigital number, since it uses as much as digits as its factorization.

105999999994127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12053081880, while the sum is 92.

The spelling of 105999999994127 in words is "one hundred five trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-four thousand, one hundred twenty-seven".