111111664027350 has 192 divisors, whose sum is σ = 321628064486400. Its totient is φ = 25374911385600.

The previous prime is 111111664027321. The next prime is 111111664027391. The reversal of 111111664027350 is 53720466111111.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111111664027299 and 111111664027308.

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 95 ways as a sum of consecutive naturals, for example, 58385335 + ... + 60258365.

It is an arithmetic number, because the mean of its divisors is an integer number (1675146169200).

Almost surely, 2^{111111664027350} is an apocalyptic number.

111111664027350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111111664027350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160814032243200).

111111664027350 is an abundant number, since it is smaller than the sum of its proper divisors (210516400459050).

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

111111664027350 is a wasteful number, since it uses less digits than its factorization.

111111664027350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874220 (or 1874201 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 111111664027350 in words is "one hundred eleven trillion, one hundred eleven billion, six hundred sixty-four million, twenty-seven thousand, three hundred fifty".