10999943001247 has 2 divisors, whose sum is σ = 10999943001248. Its totient is φ = 10999943001246.

The previous prime is 10999943001227. The next prime is 10999943001263. The reversal of 10999943001247 is 74210034999901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10999943001247 - 2³⁹ = 10450187187359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10999943001191 and 10999943001200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10999943001227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499971500623 + 5499971500624.

It is an arithmetic number, because the mean of its divisors is an integer number (5499971500624).

Almost surely, 2^{10999943001247} is an apocalyptic number.

10999943001247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999943001247 is an equidigital number, since it uses as much as digits as its factorization.

10999943001247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 10999943001247 in words is "ten trillion, nine hundred ninety-nine billion, nine hundred forty-three million, one thousand, two hundred forty-seven".