1144646464411 has 8 divisors (see below), whose sum is σ = 1157909508000. Its totient is φ = 1131421262400.

The previous prime is 1144646464399. The next prime is 1144646464427.

It is a happy number.

1144646464411 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144646464411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144646464471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9399546 + ... + 9520543.

It is an arithmetic number, because the mean of its divisors is an integer number (144738688500).

Almost surely, 2^{1144646464411} is an apocalyptic number.

1144646464411 is a deficient number, since it is larger than the sum of its proper divisors (13263043589).

1144646464411 is a wasteful number, since it uses less digits than its factorization.

1144646464411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18920789.

The product of its digits is 884736, while the sum is 46.

The spelling of 1144646464411 in words is "one trillion, one hundred forty-four billion, six hundred forty-six million, four hundred sixty-four thousand, four hundred eleven".