451025555555 has 4 divisors (see below), whose sum is σ = 541230666672. Its totient is φ = 360820444440.

The previous prime is 451025555551. The next prime is 451025555593. The reversal of 451025555555 is 555555520154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 451025555555 - 2² = 451025555551 is a prime.

It is a Duffinian number.

451025555555 is a modest number, since divided by 555555 gives 451025 as remainder.

It is not an unprimeable number, because it can be changed into a prime (451025555551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45102555551 + ... + 45102555560.

It is an arithmetic number, because the mean of its divisors is an integer number (135307666668).

Almost surely, 2^451025555555 is an apocalyptic number.

451025555555 is a deficient number, since it is larger than the sum of its proper divisors (90205111117).

451025555555 is an equidigital number, since it uses as much as digits as its factorization.

451025555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90205111116.

The product of its (nonzero) digits is 3125000, while the sum is 47.

The spelling of 451025555555 in words is "four hundred fifty-one billion, twenty-five million, five hundred fifty-five thousand, five hundred fifty-five".