11209303725 has 12 divisors (see below), whose sum is σ = 18532715616. Its totient is φ = 5978295280.

The previous prime is 11209303717. The next prime is 11209303771. The reversal of 11209303725 is 52730390211.

It is not a de Polignac number, because 11209303725 - 2³ = 11209303717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74728617 + ... + 74728766.

It is an arithmetic number, because the mean of its divisors is an integer number (1544392968).

Almost surely, 2^11209303725 is an apocalyptic number.

11209303725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11209303725 is a deficient number, since it is larger than the sum of its proper divisors (7323411891).

11209303725 is a wasteful number, since it uses less digits than its factorization.

11209303725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149457396 (or 149457391 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

Adding to 11209303725 its reverse (52730390211), we get a palindrome (63939693936).

The spelling of 11209303725 in words is "eleven billion, two hundred nine million, three hundred three thousand, seven hundred twenty-five".