11309666654 has 32 divisors (see below), whose sum is σ = 20052676224. Its totient is φ = 4716182880.

The previous prime is 11309666603. The next prime is 11309666657. The reversal of 11309666654 is 45666690311.

11309666654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11309666599 and 11309666608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11309666657) by changing a digit.

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, 74684 + ... + 167919.

It is an arithmetic number, because the mean of its divisors is an integer number (626646132).

Almost surely, 2^11309666654 is an apocalyptic number.

11309666654 is a deficient number, since it is larger than the sum of its proper divisors (8743009570).

11309666654 is a wasteful number, since it uses less digits than its factorization.

11309666654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242792.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 11309666654 in words is "eleven billion, three hundred nine million, six hundred sixty-six thousand, six hundred fifty-four".