111919340 has 48 divisors (see below), whose sum is σ = 259308000. Its totient is φ = 40312320.

The previous prime is 111919337. The next prime is 111919351. The reversal of 111919340 is 43919111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5411 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (5402250).

Almost surely, 2^111919340 is an apocalyptic number.

111919340 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 111919340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129654000).

111919340 is an abundant number, since it is smaller than the sum of its proper divisors (147388660).

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

111919340 is a wasteful number, since it uses less digits than its factorization.

111919340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562 (or 10560 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 111919340 is about 10579.1937310931. The cubic root of 111919340 is about 481.9127095245.

The spelling of 111919340 in words is "one hundred eleven million, nine hundred nineteen thousand, three hundred forty".