1205552444113 has 8 divisors (see below), whose sum is σ = 1217539189440. Its totient is φ = 1193566690800.

The previous prime is 1205552444077. The next prime is 1205552444177. The reversal of 1205552444113 is 3114442555021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1205552444113 - 2³⁷ = 1068113490641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1205582444113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2326798 + ... + 2797336.

It is an arithmetic number, because the mean of its divisors is an integer number (152192398680).

Almost surely, 2^{1205552444113} is an apocalyptic number.

It is an amenable number.

1205552444113 is a deficient number, since it is larger than the sum of its proper divisors (11986745327).

1205552444113 is a wasteful number, since it uses less digits than its factorization.

1205552444113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496007.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 1205552444113 its reverse (3114442555021), we get a palindrome (4319994999134).

The spelling of 1205552444113 in words is "one trillion, two hundred five billion, five hundred fifty-two million, four hundred forty-four thousand, one hundred thirteen".