11673665056 has 24 divisors (see below), whose sum is σ = 24192136080. Its totient is φ = 5529630528.

The previous prime is 11673665027. The next prime is 11673665117. The reversal of 11673665056 is 65056637611.

It is a junction number, because it is equal to n+sod(n) for n = 11673664997 and 11673665015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9599446 + ... + 9600661.

It is an arithmetic number, because the mean of its divisors is an integer number (1008005670).

Almost surely, 2^11673665056 is an apocalyptic number.

11673665056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11673665056 is an abundant number, since it is smaller than the sum of its proper divisors (12518471024).

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

11673665056 is a wasteful number, since it uses less digits than its factorization.

11673665056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19200136 (or 19200128 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 11673665056 in words is "eleven billion, six hundred seventy-three million, six hundred sixty-five thousand, fifty-six".