1244143241011 has 16 divisors (see below), whose sum is σ = 1372069610496. Its totient is φ = 1118709900000.

The previous prime is 1244143240987. The next prime is 1244143241017. The reversal of 1244143241011 is 1101423414421.

It is a happy number.

It is not a de Polignac number, because 1244143241011 - 2¹¹ = 1244143238963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244143241017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535996 + ... + 1666006.

It is an arithmetic number, because the mean of its divisors is an integer number (85754350656).

Almost surely, 2^{1244143241011} is an apocalyptic number.

1244143241011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1244143241011 is a deficient number, since it is larger than the sum of its proper divisors (127926369485).

1244143241011 is a wasteful number, since it uses less digits than its factorization.

1244143241011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131114.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1244143241011 its reverse (1101423414421), we get a palindrome (2345566655432).

The spelling of 1244143241011 in words is "one trillion, two hundred forty-four billion, one hundred forty-three million, two hundred forty-one thousand, eleven".