11554323540256 has 96 divisors (see below), whose sum is σ = 26907626269440. Its totient is φ = 4778620793856.

The previous prime is 11554323540211. The next prime is 11554323540271. The reversal of 11554323540256 is 65204532345511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12096685 + ... + 13016851.

It is an arithmetic number, because the mean of its divisors is an integer number (280287773640).

Almost surely, 2^{11554323540256} is an apocalyptic number.

11554323540256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11554323540256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13453813134720).

11554323540256 is an abundant number, since it is smaller than the sum of its proper divisors (15353302729184).

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

11554323540256 is a wasteful number, since it uses less digits than its factorization.

11554323540256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922146 (or 922138 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

Adding to 11554323540256 its reverse (65204532345511), we get a palindrome (76758855885767).

The spelling of 11554323540256 in words is "eleven trillion, five hundred fifty-four billion, three hundred twenty-three million, five hundred forty thousand, two hundred fifty-six".