11110943991247 has 2 divisors, whose sum is σ = 11110943991248. Its totient is φ = 11110943991246.

The previous prime is 11110943991241. The next prime is 11110943991289. The reversal of 11110943991247 is 74219934901111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11110943991247 - 2¹¹ = 11110943989199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110943991194 and 11110943991203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110943991241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555471995623 + 5555471995624.

It is an arithmetic number, because the mean of its divisors is an integer number (5555471995624).

Almost surely, 2^{11110943991247} is an apocalyptic number.

11110943991247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110943991247 is an equidigital number, since it uses as much as digits as its factorization.

11110943991247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 52.

The spelling of 11110943991247 in words is "eleven trillion, one hundred ten billion, nine hundred forty-three million, nine hundred ninety-one thousand, two hundred forty-seven".