452112487521 has 16 divisors (see below), whose sum is σ = 625211486208. Its totient is φ = 290303067600.

The previous prime is 452112487513. The next prime is 452112487543. The reversal of 452112487521 is 125784211254.

It is not a de Polignac number, because 452112487521 - 2³ = 452112487513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (452112287521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11500341 + ... + 11539586.

It is an arithmetic number, because the mean of its divisors is an integer number (39075717888).

Almost surely, 2^452112487521 is an apocalyptic number.

It is an amenable number.

452112487521 is a deficient number, since it is larger than the sum of its proper divisors (173098998687).

452112487521 is a wasteful number, since it uses less digits than its factorization.

452112487521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23040172.

The product of its digits is 179200, while the sum is 42.

Adding to 452112487521 its reverse (125784211254), we get a palindrome (577896698775).

The spelling of 452112487521 in words is "four hundred fifty-two billion, one hundred twelve million, four hundred eighty-seven thousand, five hundred twenty-one".