10994378243 has 2 divisors, whose sum is σ = 10994378244. Its totient is φ = 10994378242.

The previous prime is 10994378207. The next prime is 10994378251. The reversal of 10994378243 is 34287349901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10994378243 - 2⁶ = 10994378179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10994378191 and 10994378200.

It is not a weakly prime, because it can be changed into another prime (10994378543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5497189121 + 5497189122.

It is an arithmetic number, because the mean of its divisors is an integer number (5497189122).

Almost surely, 2^10994378243 is an apocalyptic number.

10994378243 is a deficient number, since it is larger than the sum of its proper divisors (1).

10994378243 is an equidigital number, since it uses as much as digits as its factorization.

10994378243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 10994378243 in words is "ten billion, nine hundred ninety-four million, three hundred seventy-eight thousand, two hundred forty-three".