451001011144 has 16 divisors (see below), whose sum is σ = 865292638320. Its totient is φ = 220256307600.

The previous prime is 451001011121. The next prime is 451001011151. The reversal of 451001011144 is 441110100154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655524382 + ... + 655525069.

It is an arithmetic number, because the mean of its divisors is an integer number (54080789895).

Almost surely, 2^451001011144 is an apocalyptic number.

It is an amenable number.

451001011144 is a deficient number, since it is larger than the sum of its proper divisors (414291627176).

451001011144 is a wasteful number, since it uses less digits than its factorization.

451001011144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311049500 (or 1311049496 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 451001011144 its reverse (441110100154), we get a palindrome (892111111298).

The spelling of 451001011144 in words is "four hundred fifty-one billion, one million, eleven thousand, one hundred forty-four".