451103563540543 has 32 divisors (see below), whose sum is σ = 491524171192512. Its totient is φ = 412387093248000.

The previous prime is 451103563540439. The next prime is 451103563540559. The reversal of 451103563540543 is 345045365301154.

It is a cyclic number.

It is not a de Polignac number, because 451103563540543 - 2⁴⁵ = 415919191451711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451103563543543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830840748 + ... + 831383518.

It is an arithmetic number, because the mean of its divisors is an integer number (15360130349766).

Almost surely, 2^{451103563540543} is an apocalyptic number.

451103563540543 is a deficient number, since it is larger than the sum of its proper divisors (40420607651969).

451103563540543 is a wasteful number, since it uses less digits than its factorization.

451103563540543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552075.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 451103563540543 in words is "four hundred fifty-one trillion, one hundred three billion, five hundred sixty-three million, five hundred forty thousand, five hundred forty-three".