11321230056656 has 40 divisors (see below), whose sum is σ = 24124781581824. Its totient is φ = 5114008990080.

The previous prime is 11321230056649. The next prime is 11321230056679. The reversal of 11321230056656 is 65665003212311.

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, 579022040 + ... + 579041591.

Almost surely, 2^{11321230056656} is an apocalyptic number.

11321230056656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11321230056656 is an abundant number, since it is smaller than the sum of its proper divisors (12803551525168).

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

11321230056656 is a wasteful number, since it uses less digits than its factorization.

11321230056656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158063699 (or 1158063693 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

Adding to 11321230056656 its reverse (65665003212311), we get a palindrome (76986233268967).

The spelling of 11321230056656 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirty million, fifty-six thousand, six hundred fifty-six".