11823040537056 has 576 divisors, whose sum is σ = 42847375334400. Its totient is φ = 3010504900608.

The previous prime is 11823040536949. The next prime is 11823040537127. The reversal of 11823040537056 is 65073504032811.

It is a happy number.

11823040537056 is a `hidden beast` number, since 1 + 1 + 8 + 23 + 0 + 40 + 537 + 0 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2102618661 + ... + 2102624283.

It is an arithmetic number, because the mean of its divisors is an integer number (74387804400).

Almost surely, 2^{11823040537056} is an apocalyptic number.

11823040537056 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 11823040537056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21423687667200).

11823040537056 is an abundant number, since it is smaller than the sum of its proper divisors (31024334797344).

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

11823040537056 is a wasteful number, since it uses less digits than its factorization.

11823040537056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8911 (or 8900 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

Adding to 11823040537056 its reverse (65073504032811), we get a palindrome (76896544569867).

The spelling of 11823040537056 in words is "eleven trillion, eight hundred twenty-three billion, forty million, five hundred thirty-seven thousand, fifty-six".