10999999991839 has 2 divisors, whose sum is σ = 10999999991840. Its totient is φ = 10999999991838.

The previous prime is 10999999991819. The next prime is 10999999991891. The reversal of 10999999991839 is 93819999999901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10999999991839 - 2⁷ = 10999999991711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10999999991819) 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, 5499999995919 + 5499999995920.

It is an arithmetic number, because the mean of its divisors is an integer number (5499999995920).

Almost surely, 2^{10999999991839} is an apocalyptic number.

10999999991839 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999999991839 is an equidigital number, since it uses as much as digits as its factorization.

10999999991839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9298091736, while the sum is 94.

The spelling of 10999999991839 in words is "ten trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-one thousand, eight hundred thirty-nine".