11031336656 has 40 divisors (see below), whose sum is σ = 21529601184. Its totient is φ = 5475392640.

The previous prime is 11031336649. The next prime is 11031336697. The reversal of 11031336656 is 65663313011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2843390 + ... + 2847266.

Almost surely, 2^11031336656 is an apocalyptic number.

11031336656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11031336656 is a deficient number, since it is larger than the sum of its proper divisors (10498264528).

11031336656 is a wasteful number, since it uses less digits than its factorization.

11031336656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139 (or 5133 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

Adding to 11031336656 its reverse (65663313011), we get a palindrome (76694649667).

The spelling of 11031336656 in words is "eleven billion, thirty-one million, three hundred thirty-six thousand, six hundred fifty-six".