11406639606 has 32 divisors (see below), whose sum is σ = 22873142880. Its totient is φ = 3792251904.

The previous prime is 11406639599. The next prime is 11406639623. The reversal of 11406639606 is 60693660411.

It is a super-2 number, since 2×11406639606² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 6037510 + ... + 6039398.

It is an arithmetic number, because the mean of its divisors is an integer number (714785715).

Almost surely, 2^11406639606 is an apocalyptic number.

11406639606 is an abundant number, since it is smaller than the sum of its proper divisors (11466503274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11406639606 is a wasteful number, since it uses less digits than its factorization.

11406639606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 11406639606 in words is "eleven billion, four hundred six million, six hundred thirty-nine thousand, six hundred six".