11268116549 has 2 divisors, whose sum is σ = 11268116550. Its totient is φ = 11268116548.

The previous prime is 11268116543. The next prime is 11268116581. The reversal of 11268116549 is 94561186211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10509940324 + 758176225 = 102518^2 + 27535^2 .

It is a cyclic number.

It is not a de Polignac number, because 11268116549 - 2¹⁶ = 11268051013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11268116543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5634058274 + 5634058275.

It is an arithmetic number, because the mean of its divisors is an integer number (5634058275).

Almost surely, 2^11268116549 is an apocalyptic number.

It is an amenable number.

11268116549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11268116549 is an equidigital number, since it uses as much as digits as its factorization.

11268116549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 44.

The spelling of 11268116549 in words is "eleven billion, two hundred sixty-eight million, one hundred sixteen thousand, five hundred forty-nine".