111340312440 has 128 divisors (see below), whose sum is σ = 381804572160. Its totient is φ = 25444790784.

The previous prime is 111340312429. The next prime is 111340312453. The reversal of 111340312440 is 44213043111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 111340312440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9332319 + ... + 9344241.

It is an arithmetic number, because the mean of its divisors is an integer number (2982848220).

Almost surely, 2^111340312440 is an apocalyptic number.

111340312440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111340312440 is an abundant number, since it is smaller than the sum of its proper divisors (270464259720).

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

111340312440 is a wasteful number, since it uses less digits than its factorization.

111340312440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23061 (or 23057 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 111340312440 its reverse (44213043111), we get a palindrome (155553355551).

The spelling of 111340312440 in words is "one hundred eleven billion, three hundred forty million, three hundred twelve thousand, four hundred forty".