11471922609 has 16 divisors (see below), whose sum is σ = 18509321088. Its totient is φ = 6169773312.

The previous prime is 11471922593. The next prime is 11471922613. The reversal of 11471922609 is 90622917411.

It is not a de Polignac number, because 11471922609 - 2⁴ = 11471922593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11471922629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16066762 + ... + 16067475.

It is an arithmetic number, because the mean of its divisors is an integer number (1156832568).

Almost surely, 2^11471922609 is an apocalyptic number.

It is an amenable number.

11471922609 is a deficient number, since it is larger than the sum of its proper divisors (7037398479).

11471922609 is a wasteful number, since it uses less digits than its factorization.

11471922609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32134264.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 11471922609 in words is "eleven billion, four hundred seventy-one million, nine hundred twenty-two thousand, six hundred nine".