11242343549 has 2 divisors, whose sum is σ = 11242343550. Its totient is φ = 11242343548.

The previous prime is 11242343527. The next prime is 11242343597. The reversal of 11242343549 is 94534324211.

11242343549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9031651225 + 2210692324 = 95035^2 + 47018^2 .

It is a cyclic number.

It is not a de Polignac number, because 11242343549 - 2¹² = 11242339453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11242343509) 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, 5621171774 + 5621171775.

It is an arithmetic number, because the mean of its divisors is an integer number (5621171775).

Almost surely, 2^11242343549 is an apocalyptic number.

It is an amenable number.

11242343549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242343549 is an equidigital number, since it uses as much as digits as its factorization.

11242343549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The spelling of 11242343549 in words is "eleven billion, two hundred forty-two million, three hundred forty-three thousand, five hundred forty-nine".