11491412243 has 2 divisors, whose sum is σ = 11491412244. Its totient is φ = 11491412242.

The previous prime is 11491412203. The next prime is 11491412263. The reversal of 11491412243 is 34221419411.

It is a strong prime.

It is an emirp because it is prime and its reverse (34221419411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11491412243 - 2²⁶ = 11424303379 is a prime.

It is not a weakly prime, because it can be changed into another prime (11491412203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5745706121 + 5745706122.

It is an arithmetic number, because the mean of its divisors is an integer number (5745706122).

Almost surely, 2^11491412243 is an apocalyptic number.

11491412243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11491412243 is an equidigital number, since it uses as much as digits as its factorization.

11491412243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The spelling of 11491412243 in words is "eleven billion, four hundred ninety-one million, four hundred twelve thousand, two hundred forty-three".