451452211252 has 12 divisors (see below), whose sum is σ = 902904422560. Its totient is φ = 193479519096.

The previous prime is 451452211237. The next prime is 451452211261. The reversal of 451452211252 is 252112254154.

451452211252 is an admirable number.

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, 8061646602 + ... + 8061646657.

Almost surely, 2^451452211252 is an apocalyptic number.

It is an amenable number.

451452211252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451452211252 is a wasteful number, since it uses less digits than its factorization.

451452211252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16123293270 (or 16123293268 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The spelling of 451452211252 in words is "four hundred fifty-one billion, four hundred fifty-two million, two hundred eleven thousand, two hundred fifty-two".