111001443140 has 24 divisors (see below), whose sum is σ = 266403463872. Its totient is φ = 38057637600.

The previous prime is 111001443131. The next prime is 111001443143. The reversal of 111001443140 is 41344100111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (111001443143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396433586 + ... + 396433865.

It is an arithmetic number, because the mean of its divisors is an integer number (11100144328).

Almost surely, 2^111001443140 is an apocalyptic number.

111001443140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001443140 is an abundant number, since it is smaller than the sum of its proper divisors (155402020732).

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

111001443140 is a wasteful number, since it uses less digits than its factorization.

111001443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792867467 (or 792867465 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111001443140 its reverse (41344100111), we get a palindrome (152345543251).

The spelling of 111001443140 in words is "one hundred eleven billion, one million, four hundred forty-three thousand, one hundred forty".