11447415009 has 12 divisors (see below), whose sum is σ = 16689690576. Its totient is φ = 7560285912.

The previous prime is 11447414999. The next prime is 11447415011. The reversal of 11447415009 is 90051474411.

11447415009 is a `hidden beast` number, since 1 + 144 + 7 + 4 + 1 + 500 + 9 = 666.

It is not a de Polignac number, because 11447415009 - 2⁵ = 11447414977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11447415019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5942659 + ... + 5944584.

It is an arithmetic number, because the mean of its divisors is an integer number (1390807548).

Almost surely, 2^11447415009 is an apocalyptic number.

It is an amenable number.

11447415009 is a deficient number, since it is larger than the sum of its proper divisors (5242275567).

11447415009 is a wasteful number, since it uses less digits than its factorization.

11447415009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887356 (or 11887353 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 11447415009 in words is "eleven billion, four hundred forty-seven million, four hundred fifteen thousand, nine".