451520552312 has 32 divisors (see below), whose sum is σ = 863838114480. Its totient is φ = 221176200960.

The previous prime is 451520552309. The next prime is 451520552333. The reversal of 451520552312 is 213255025154.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489989 + ... + 1069172.

Almost surely, 2^451520552312 is an apocalyptic number.

It is an amenable number.

451520552312 is a deficient number, since it is larger than the sum of its proper divisors (412317562168).

451520552312 is a wasteful number, since it uses less digits than its factorization.

451520552312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559903 (or 1559899 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 451520552312 its reverse (213255025154), we get a palindrome (664775577466).

The spelling of 451520552312 in words is "four hundred fifty-one billion, five hundred twenty million, five hundred fifty-two thousand, three hundred twelve".