111093390 has 64 divisors (see below), whose sum is σ = 297587520. Its totient is φ = 29491200.

The previous prime is 111093379. The next prime is 111093397. The reversal of 111093390 is 93390111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111093397) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68590 + ... + 70190.

It is an arithmetic number, because the mean of its divisors is an integer number (4649805).

Almost surely, 2^111093390 is an apocalyptic number.

111093390 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 111093390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148793760).

111093390 is an abundant number, since it is smaller than the sum of its proper divisors (186494130).

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

111093390 is a wasteful number, since it uses less digits than its factorization.

111093390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 111093390 is about 10540.0849142690. The cubic root of 111093390 is about 480.7242971454.

The spelling of 111093390 in words is "one hundred eleven million, ninety-three thousand, three hundred ninety".