111081340 has 12 divisors (see below), whose sum is σ = 233270856. Its totient is φ = 44432528.

The previous prime is 111081337. The next prime is 111081359. The reversal of 111081340 is 43180111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777014 + ... + 2777053.

It is an arithmetic number, because the mean of its divisors is an integer number (19439238).

Almost surely, 2^111081340 is an apocalyptic number.

111081340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111081340 is an abundant number, since it is smaller than the sum of its proper divisors (122189516).

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

111081340 is a wasteful number, since it uses less digits than its factorization.

111081340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5554076 (or 5554074 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 111081340 is about 10539.5132714941. The cubic root of 111081340 is about 480.7069155615.

The spelling of 111081340 in words is "one hundred eleven million, eighty-one thousand, three hundred forty".