1143440115210 has 48 divisors (see below), whose sum is σ = 3075459627240. Its totient is φ = 294402971520.

The previous prime is 1143440115197. The next prime is 1143440115221. The reversal of 1143440115210 is 125110443411.

It is a happy number.

1143440115210 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 440 + 1 + 1 + 5 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1135701570249 + 7738544961 = 1065693^2 + 87969^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219047221 + ... + 219052440.

Almost surely, 2^{1143440115210} is an apocalyptic number.

1143440115210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143440115210 is an abundant number, since it is smaller than the sum of its proper divisors (1932019512030).

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

1143440115210 is a wasteful number, since it uses less digits than its factorization.

1143440115210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438099703 (or 438099700 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 1143440115210 its reverse (125110443411), we get a palindrome (1268550558621).

The spelling of 1143440115210 in words is "one trillion, one hundred forty-three billion, four hundred forty million, one hundred fifteen thousand, two hundred ten".