111851340 has 24 divisors (see below), whose sum is σ = 313183920. Its totient is φ = 29827008.

The previous prime is 111851293. The next prime is 111851351. The reversal of 111851340 is 43158111.

It is a self number, because there is not a number n which added to its sum of digits gives 111851340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932035 + ... + 932154.

It is an arithmetic number, because the mean of its divisors is an integer number (13049330).

Almost surely, 2^111851340 is an apocalyptic number.

111851340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111851340 is an abundant number, since it is smaller than the sum of its proper divisors (201332580).

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

111851340 is a wasteful number, since it uses less digits than its factorization.

111851340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864201 (or 1864199 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 111851340 is about 10575.9793872719. The cubic root of 111851340 is about 481.8150895084.

The spelling of 111851340 in words is "one hundred eleven million, eight hundred fifty-one thousand, three hundred forty".