11203479665 has 16 divisors (see below), whose sum is σ = 15894593280. Its totient is φ = 7417475520.

The previous prime is 11203479649. The next prime is 11203479673. The reversal of 11203479665 is 56697430211.

11203479665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11203479665 - 2⁴ = 11203479649 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5517941 + ... + 5519970.

It is an arithmetic number, because the mean of its divisors is an integer number (993412080).

Almost surely, 2^11203479665 is an apocalyptic number.

It is an amenable number.

11203479665 is a deficient number, since it is larger than the sum of its proper divisors (4691113615).

11203479665 is a wasteful number, since it uses less digits than its factorization.

11203479665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11037952.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 11203479665 in words is "eleven billion, two hundred three million, four hundred seventy-nine thousand, six hundred sixty-five".