111489920761600 has 648 divisors, whose sum is σ = 306929838170592. Its totient is φ = 40009863168000.

The previous prime is 111489920761589. The next prime is 111489920761649. The reversal of 111489920761600 is 6167029984111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5367048814 + ... + 5367069586.

Almost surely, 2^{111489920761600} is an apocalyptic number.

111489920761600 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 111489920761600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153464919085296).

111489920761600 is an abundant number, since it is smaller than the sum of its proper divisors (195439917408992).

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

111489920761600 is a wasteful number, since it uses less digits than its factorization.

111489920761600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20961 (or 20923 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 111489920761600 in words is "one hundred eleven trillion, four hundred eighty-nine billion, nine hundred twenty million, seven hundred sixty-one thousand, six hundred".