11897323401600 has 1728 divisors, whose sum is σ = 53861849496000. Its totient is φ = 2478127841280.

The previous prime is 11897323401599. The next prime is 11897323401641. The reversal of 11897323401600 is 610432379811.

11897323401600 is a `hidden beast` number, since 1 + 1 + 8 + 9 + 7 + 3 + 2 + 34 + 0 + 1 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1449298296 + ... + 1449306504.

Almost surely, 2^{11897323401600} is an apocalyptic number.

11897323401600 is a gapful number since it is divisible by the number (10) 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 11897323401600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26930924748000).

11897323401600 is an abundant number, since it is smaller than the sum of its proper divisors (41964526094400).

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

11897323401600 is a wasteful number, since it uses less digits than its factorization.

11897323401600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345 (or 8318 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 11897323401600 in words is "eleven trillion, eight hundred ninety-seven billion, three hundred twenty-three million, four hundred one thousand, six hundred".