111234048387840 has 4320 divisors, whose sum is σ = 511568918784000. Its totient is φ = 22916161142784.

The previous prime is 111234048387817. The next prime is 111234048387899. The reversal of 111234048387840 is 48783840432111.

111234048387840 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 3 + 4 + 0 + 483 + 87 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (4320).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 221141249029 + ... + 221141249531.

It is an arithmetic number, because the mean of its divisors is an integer number (118418731200).

Almost surely, 2^{111234048387840} is an apocalyptic number.

111234048387840 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 111234048387840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255784459392000).

111234048387840 is an abundant number, since it is smaller than the sum of its proper divisors (400334870396160).

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

111234048387840 is a wasteful number, since it uses less digits than its factorization.

111234048387840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 111234048387840 in words is "one hundred eleven trillion, two hundred thirty-four billion, forty-eight million, three hundred eighty-seven thousand, eight hundred forty".