451115013005656 has 16 divisors (see below), whose sum is σ = 845842833678600. Its totient is φ = 225556924024704.

The previous prime is 451115013005623. The next prime is 451115013005677. The reversal of 451115013005656 is 656500310511154.

It is a congruent number.

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, 69509446 + ... + 75721813.

Almost surely, 2^{451115013005656} is an apocalyptic number.

It is an amenable number.

451115013005656 is a deficient number, since it is larger than the sum of its proper divisors (394727820672944).

451115013005656 is a wasteful number, since it uses less digits than its factorization.

451115013005656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145619538 (or 145619534 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 451115013005656 in words is "four hundred fifty-one trillion, one hundred fifteen billion, thirteen million, five thousand, six hundred fifty-six".