1205344511044 has 6 divisors (see below), whose sum is σ = 2109352894334. Its totient is φ = 602672255520.

The previous prime is 1205344511039. The next prime is 1205344511071. The reversal of 1205344511044 is 4401154435021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1204971634944 + 372876100 = 1097712^2 + 19310^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150668063877 + ... + 150668063884.

Almost surely, 2^{1205344511044} is an apocalyptic number.

It is an amenable number.

1205344511044 is a deficient number, since it is larger than the sum of its proper divisors (904008383290).

1205344511044 is a wasteful number, since it uses less digits than its factorization.

1205344511044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301336127765 (or 301336127763 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1205344511044 its reverse (4401154435021), we get a palindrome (5606498946065).

The spelling of 1205344511044 in words is "one trillion, two hundred five billion, three hundred forty-four million, five hundred eleven thousand, forty-four".