11073840749 has 4 divisors (see below), whose sum is σ = 11725243164. Its totient is φ = 10422438336.

The previous prime is 11073840719. The next prime is 11073840793. The reversal of 11073840749 is 94704837011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3555736900 + 7518103849 = 59630^2 + 86707^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11073840749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11073840719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325701182 + ... + 325701215.

It is an arithmetic number, because the mean of its divisors is an integer number (2931310791).

Almost surely, 2^11073840749 is an apocalyptic number.

It is an amenable number.

11073840749 is a deficient number, since it is larger than the sum of its proper divisors (651402415).

11073840749 is an equidigital number, since it uses as much as digits as its factorization.

11073840749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651402414.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 11073840749 in words is "eleven billion, seventy-three million, eight hundred forty thousand, seven hundred forty-nine".