11004345656 has 8 divisors (see below), whose sum is σ = 20633148120. Its totient is φ = 5502172824.

The previous prime is 11004345643. The next prime is 11004345673. The reversal of 11004345656 is 65654340011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687771596 + ... + 687771611.

It is an arithmetic number, because the mean of its divisors is an integer number (2579143515).

Almost surely, 2^11004345656 is an apocalyptic number.

It is an amenable number.

11004345656 is a deficient number, since it is larger than the sum of its proper divisors (9628802464).

11004345656 is a wasteful number, since it uses less digits than its factorization.

11004345656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375543213 (or 1375543209 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 11004345656 its reverse (65654340011), we get a palindrome (76658685667).

The spelling of 11004345656 in words is "eleven billion, four million, three hundred forty-five thousand, six hundred fifty-six".