11472806709 has 320 divisors, whose sum is σ = 23730094080. Its totient is φ = 5357975040.

The previous prime is 11472806693. The next prime is 11472806713. The reversal of 11472806709 is 90760827411.

It is a happy number.

It is not a de Polignac number, because 11472806709 - 2⁴ = 11472806693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11472806789) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 194454322 + ... + 194454380.

It is an arithmetic number, because the mean of its divisors is an integer number (74156544).

Almost surely, 2^11472806709 is an apocalyptic number.

It is an amenable number.

11472806709 is an abundant number, since it is smaller than the sum of its proper divisors (12257287371).

11472806709 is a wasteful number, since it uses less digits than its factorization.

11472806709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 11472806709 in words is "eleven billion, four hundred seventy-two million, eight hundred six thousand, seven hundred nine".