11910672856 has 32 divisors (see below), whose sum is σ = 23409262800. Its totient is φ = 5674959360.

The previous prime is 11910672827. The next prime is 11910672857. The reversal of 11910672856 is 65827601911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11910672857) 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 7 ways as a sum of consecutive naturals, for example, 408141 + ... + 436348.

Almost surely, 2^11910672856 is an apocalyptic number.

It is an amenable number.

11910672856 is a deficient number, since it is larger than the sum of its proper divisors (11498589944).

11910672856 is a wasteful number, since it uses less digits than its factorization.

11910672856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844579 (or 844575 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 11910672856 in words is "eleven billion, nine hundred ten million, six hundred seventy-two thousand, eight hundred fifty-six".