1144311112140 has 96 divisors (see below), whose sum is σ = 3662009809920. Its totient is φ = 261541522176.

The previous prime is 1144311112121. The next prime is 1144311112157. The reversal of 1144311112140 is 412111134411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144311112140.

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, 8107009 + ... + 8246951.

It is an arithmetic number, because the mean of its divisors is an integer number (38145935520).

Almost surely, 2^{1144311112140} is an apocalyptic number.

1144311112140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144311112140 is an abundant number, since it is smaller than the sum of its proper divisors (2517698697780).

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

1144311112140 is a wasteful number, since it uses less digits than its factorization.

1144311112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159431 (or 159429 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 1144311112140 its reverse (412111134411), we get a palindrome (1556422246551).

The spelling of 1144311112140 in words is "one trillion, one hundred forty-four billion, three hundred eleven million, one hundred twelve thousand, one hundred forty".