11554323545656 has 24 divisors (see below), whose sum is σ = 22385750432760. Its totient is φ = 5590801711920.

The previous prime is 11554323545627. The next prime is 11554323545671. The reversal of 11554323545656 is 65654532345511.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11554323545597 and 11554323545606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751444156 + ... + 751459531.

It is an arithmetic number, because the mean of its divisors is an integer number (932739601365).

Almost surely, 2^{11554323545656} is an apocalyptic number.

It is an amenable number.

11554323545656 is a deficient number, since it is larger than the sum of its proper divisors (10831426887104).

11554323545656 is a wasteful number, since it uses less digits than its factorization.

11554323545656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502903755 (or 1502903720 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 55.

The spelling of 11554323545656 in words is "eleven trillion, five hundred fifty-four billion, three hundred twenty-three million, five hundred forty-five thousand, six hundred fifty-six".