11009090293 has 4 divisors (see below), whose sum is σ = 11009302540. Its totient is φ = 11008878048.

The previous prime is 11009090269. The next prime is 11009090311. The reversal of 11009090293 is 39209090011.

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 5484587364 + 5524502929 = 74058^2 + 74327^2 .

It is a cyclic number.

It is not a de Polignac number, because 11009090293 - 2⁹ = 11009089781 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 (11009090893) 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, 29203 + ... + 151231.

It is an arithmetic number, because the mean of its divisors is an integer number (2752325635).

Almost surely, 2^11009090293 is an apocalyptic number.

It is an amenable number.

11009090293 is a deficient number, since it is larger than the sum of its proper divisors (212247).

11009090293 is an equidigital number, since it uses as much as digits as its factorization.

11009090293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212246.

The product of its (nonzero) digits is 4374, while the sum is 34.

The spelling of 11009090293 in words is "eleven billion, nine million, ninety thousand, two hundred ninety-three".