451005645116 has 48 divisors (see below), whose sum is σ = 887082041664. Its totient is φ = 199071476736.

The previous prime is 451005645109. The next prime is 451005645133. The reversal of 451005645116 is 611546500154.

It is a self number, because there is not a number n which added to its sum of digits gives 451005645116.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7568510 + ... + 7627866.

It is an arithmetic number, because the mean of its divisors is an integer number (18480875868).

Almost surely, 2^451005645116 is an apocalyptic number.

451005645116 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

451005645116 is a deficient number, since it is larger than the sum of its proper divisors (436076396548).

451005645116 is a wasteful number, since it uses less digits than its factorization.

451005645116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65750 (or 65748 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 451005645116 in words is "four hundred fifty-one billion, five million, six hundred forty-five thousand, one hundred sixteen".