11209813616 has 10 divisors (see below), whose sum is σ = 21719013912. Its totient is φ = 5604906800.

The previous prime is 11209813543. The next prime is 11209813627. The reversal of 11209813616 is 61631890211.

It is a self number, because there is not a number n which added to its sum of digits gives 11209813616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350306660 + ... + 350306691.

Almost surely, 2^11209813616 is an apocalyptic number.

11209813616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11209813616 is a deficient number, since it is larger than the sum of its proper divisors (10509200296).

11209813616 is an equidigital number, since it uses as much as digits as its factorization.

11209813616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700613359 (or 700613353 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The spelling of 11209813616 in words is "eleven billion, two hundred nine million, eight hundred thirteen thousand, six hundred sixteen".