111382721049600 has 6336 divisors, whose sum is σ = 574193147953152. Its totient is φ = 20639121408000.

The previous prime is 111382721049547. The next prime is 111382721049641. The reversal of 111382721049600 is 6940127283111.

111382721049600 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 8 + 27 + 2 + 10 + 4 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (6336).

It is a super-2 number, since 2×111382721049600² (a number of 29 digits) contains 22 as substring.

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 polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 193037644512 + ... + 193037645088.

Almost surely, 2^{111382721049600} is an apocalyptic number.

111382721049600 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 111382721049600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287096573976576).

111382721049600 is an abundant number, since it is smaller than the sum of its proper divisors (462810426903552).

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

111382721049600 is a wasteful number, since it uses less digits than its factorization.

111382721049600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 111382721049600 in words is "one hundred eleven trillion, three hundred eighty-two billion, seven hundred twenty-one million, forty-nine thousand, six hundred".